NOTE: The term malachite green applies to the oxalate as well as the chloride. As leucomalachite green is the primary metabolite of malachite green and is retained in fish muscle much longer, most human dietary intake of malachite green from eating fish would be in the leuco form. 215–540–4, is covered by three harmonisations: 005–011–00–4; 005–011–01–1 and 005–011–02–9), CLH information cannot be displayed in the InfoCard as the difference between the CLH classifications requires manual interpretation or verification. 42000; Malachite Green Chloride; Tetramethyl-di-p-aminotriphenylcarbinol chloride; Methanaminium, Company Identification: Fisher Scientific 1 Reagent Lane Fair Lawn, NJ 07410 For information, call: 201 … "Review of 'Timma: Valley of the Biblical Copper Mines' by Beno Rothenberg, Gettens, R.J. and Fitzhugh, E. W. (1993) "Malachite and Green Verditer", pp. It is possible that a harmonisation is introduced through an amendment to the CLP Regulation. Malachite is a green copper carbonate hydroxide mineral with a chemical composition of Cu2(CO3)(OH)2. CAS Number: 2437-29-8 Formula: C52H54N4O2 Density: 1 g/mL Solubility: Water and Alcohol Synonyms: Basic Green 4, C.I. 4.6.2 Bronopol. [13][14], View along c axis of the crystal structure of malachite, View along a axis of malachite crystal structure, View along b axis of malachite crystal structure. 42000 Shelf … Malachite green oxalate is a triphenylmethane dye which can be used to detect the release of phosphate in enzymatic reactions. Information on applicable regulatory frameworks is also automatically generated and may not be complete or up to date. Malachite is from the Greek word molochitis, which means “mallow plant.” When diluted, it can be used as a topical antiseptic or to treat parasites, fungal infections, and bacterial infections in fish and fish eggs. Molecular Formula: C52H54N4O12 ... phenylmethylene)-2,5-cyclohexadien-1-ylidene)-N-methyl-, ethanedioate, ethanedioate (2:2:1);Malachite Green Oxalate;Ammonium, (4-(p-(dimethylamino)-alpha-phenylbenzylidene)-2,5-cyclohexadien-1-ylidene)-dimethyl-, oxalate (2:1), oxalate (1:1);Malachitegreen;Basic Green 4, malachite green; CAS Registry number: 2437-29-8 EINECS：219-441-7 Molecular Formula… The ocean's name comes from Malachite, a green copper-based mineral with the chemical formula Cu 2 CO 3 (OH) 2. This section is based on three sources for information (harmonised classification and labelling (CLH), REACH registrations and CLP notifications). Malachite green is an organic chloride salt that is the monochloride salt of malachite green cation. Risk … Azurite Malachite Properties. Malachite green is not a well-defined chemical, and the term may refer to the dye as either the chloride or oxalate salt (chromatic form), the neutral carbinol, or the reduced leuco form (Fig, 1). 2; Acute Tox. If the substance is covered by more than one CLH entry (e.g. Why is malachite green controversial? 4.5. The substance identifiers displayed in the InfoCard are the best available substance name, EC number, CAS number and/or the molecular and structural formulas. Molecular Formula: C52H54N4O12 ... phenylmethylene)-2,5-cyclohexadien-1-ylidene)-N-methyl-, ethanedioate, ethanedioate (2:2:1);Malachite Green Oxalate;Ammonium, (4-(p-(dimethylamino)-alpha-phenylbenzylidene)-2,5-cyclohexadien-1-ylidene)-dimethyl-, oxalate (2:1), oxalate (1:1);Malachitegreen;Basic Green 4, malachite green; CAS Registry number: 2437-29-8 EINECS：219-441-7 Molecular Formula… Malachite green can be, to a certain extent, described as a chameleon. Malachite green is a synthetic organic dye with antifungal activity. The Waste Framework Directive aims to protect the environment and human health from the generation and management of waste and to improve efficient use of resources. Malachite - Zodiac Stone of Taurus. If the substance was not covered by the EC Inventory, ECHA attributes a list number in the same format, starting with the numbers 6, 7, 8 or 9. Malachite green methods are time-consuming because they require the preparation of color reagent on the day of use, due to its low stability. The Prior Informed Consent Regulation administers the import and export of certain hazardous chemicals and places obligations on companies who wish to export these chemicals to non-EU countries. Malachite green, also called aniline green, basic green 4, diamond green B, or victoria green B, IUPAC name:4-[(4-dimethylaminophenyl)-phenyl-methyl]-N,N-dimethyl-aniline is a toxic chemical primarily used as a dye. Ancient Egyptians believed that the afterlife contained an eternal paradise, referred to as the "Field of Malachite", which resembled their lives but with no pain or suffering.[21]. These items are shipped from and sold by different sellers. : 674879: Relevant identified uses of the substance or mixture: Identified: Laboratory chemical uses: R&D: Uses advised against: HPC Standards GmbH Am Wieseneck 7 04451 Cunnersdorf Deutschland Tel. The banded specimens are formed by massive, botryoidal, reniform, and especially stalactitic Malachite that are dense intergrowths of tiny, fibrous needles. The name Azurite is taken from the Persian word lazhward, which means “blue”. Malachite often results from the weathering of copper ores, and is often found with azurite (Cu3(CO3)2(OH)2), goethite, and calcite. Malachite is a copper carbonate hydroxide mineral, with the formula Cu2CO3(OH)2. using tetramethylrosamine (TMR), a high-affinity analogue of malachite green (Baugh, et al., 2000). This site is not fully supported in Internet Explorer 7 (and earlier versions). The InfoCard summarises the non-confidential data of a substance held in the databases of the European Chemicals Agency (ECHA). Composition** Ingredients Gms / Litre Peptic digest of animal tissue 15.000 Meat extract 9.000 Dipotassium hydrogen phosphate 1.100 Malachite green 0.030 Final pH ( at 25°C) 7.0±0.2 **Formula adjusted, standardized to suit performance parameters … Biocidal Products Committee opinions on active substance approval, National authorisation and mutual recognition, Understanding the Waste Framework Directive, Tools to prepare and submit SCIP notifications, List of substances subject to the POPs Regulation, Draft recommendation for inclusion in the Authorisation List and consultation, Submitted restrictions under consideration, Harmonised classification and labelling targeted consultations, Consultations on ECHA Executive Director’s requests, PACT - Public Activities Coordination Tool, Information on Candidate List substances in articles, Candidate List of substances of very high concern for Authorisation, Registry of restriction intentions until outcome, Registry of SVHC intentions until outcome, Table of harmonised entries in Annex VI to CLP, Occupational exposure limits - Activity list, Harmonised classification and labelling (RAC), Annex III: criteria for 1 - 10 tonne registered substances, Previous consultations on ECHA’s Executive Director Requests to the Committees, Applications for authorisation consultations, Harmonised classification and labelling consultations, ECHA Executive Director’s requests related to the CLH process, Consultation on potential candidates for substitution, Consultation on derogation to the exclusion criteria, ECHA's Executive Director Requests to the Committees, Consultation on a draft recommendation for amendment of Authorisation List entries, Consultations in the authorisation process, Occupational exposure limits - Call for comments and evidence, Occupational exposure limits - Previous calls for comments and evidence, Occupational exposure limits – Consultations on OEL recommendation, Derogations for the protection of cultural heritage, ECHA's current activities on restrictions, ECHA's completed activities on restriction, Information on Candidate List substances in articles table, Information from the Existing Substances Regulation (ESR), PBT/vPvB assessments under the previous EU chemicals legislation, Adopted opinions and previous consultations on applications for authorisation, Adopted opinions on restriction proposals, Mapping exercise – Plastic additives initiative, Occupational exposure limits substance evaluations, List of substances subject to POPs Regulation, Small and Medium-sized Enterprises (SMEs), Practical examples of chemical safety reports. This will produce a concentration of 0.05 ppm. what is ?) Substances for which classification and labelling data have been notified to ECHA by manufacturers or importers. Material cache (malachite green) is an Archaeology material cache that can be found in Warforge Dig Site at either the Crucible arena excavation site or the north goblin tunnels, or at the God Wars Dungeon - Bandos's Stronghold excavation site in Bandos's Stronghold in the God Wars Dungeon. When information is available in all sources, the first two are displayed as a priority. Archaeological evidence indicates that the mineral has been mined and smelted to obtain copper at Timna Valley in Israel for more than 3,000 years. Chemsrc provides Malachite green(CAS#:569-64-2) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. the electronic edition of the Official Journal of the European Union. The name may also come from Malachite green, a highly toxic pH indicator - the indicator is green in neutral solutions, but turns yellow in highly acidic environments (pH < 2) and colourless in basic (pH > 12 ). Chemical formula. Add a new list Name OK Save Cancel *The name THE MERCK INDEX is owned by Merck Sharp & Dohme Corp., a subsidiary of Merck & Co., Inc., Whitehouse Station, N.J., U.S.A., and is licensed to The Royal Society of Chemistry … Malachite green and formalin treatments. CASRN: 129-73-7 Related: MALACHITE GREEN CHLORIDE Formula: C23-H26-N2 Synonyms/Common Names. This information is only displayed if the substance is well–defined, its identity is not claimed confidential and there is sufficient information available in ECHA’s databases for ECHA’s algorithms to generate a molecular structure. Please upgrade your Internet Explorer to a newer version. An organic chloride salt that is the monochloride salt of malachite green cation. Product identifier Product name Malachite Green Product number PL.7030, PL.7030/25, PL.7030/100, PL.7031, PL.7032 1.2. Close Find out more on how we use cookies. Malachite is a popular mineral with its intense green color and beautiful banded masses. It is so toxic that it is banned in many countries. CAS Number: 2437-29-8 Formula: C52H54N4O2 Density: 1 g/mL Solubility: Water and Alcohol Synonyms: Basic Green 4, C.I. Some substance identifiers may have been claimed confidential, or may not have been provided, and therefore not be displayed. InfoCards are generated automatically based on the data available at the time of generation. A 17th-century Spanish superstition held that having a child wear a lozenge of malachite would help them sleep, and keep evil spirits at bay. Except for its vibrant green color, the properties of malachite are similar to those of azurite and aggregates of the two minerals occur frequently. Benzenamine, 4,4'-phenylmethylene)Bis(N,N-dimethyl- (9CI) Chemicals for Science Education. Shop a large selection of products and learn more about Malachite Green Oxalate (Certified Biological Stain), Fisher Chemical . MSDS Name: Malachite Green Catalog Numbers: AC611255000, A779-500 Synonyms: Acryl Brilliant Green; Aniline Green; China Green; Fast Green; Victoria Green; C.I. Hazard statements were adapted to improve readability and may not correspond textually to the hazard statements codes description in the European Union Specific Hazard Statements (EUH) or the. 470301-696 470301-438. This opaque, green-banded mineral crystallizes in the monoclinic crystal system, and most often forms botryoidal, fibrous, or stalagmitic masses, in fractures and deep, underground spaces, where the water table and hydrothermal fluids provide the means for chemical precipitation. Store at room temperature for up to 6 months after initial use* Pseudomorphs after more tabular or blocky azurite crystals also occur. Here you can find all of the regulations and regulatory lists in which this substance appears, according to the data available to ECHA. Malachite Green Chemical Formula: C23H25ClN2 (chloride) Malachite Green Main Hazards: Moderately toxic, Extreme irritant; LD50 (median dose): 80mg/kg (oral, mouse) Information On Malachite Green From Wikipedia Malachite green is an organic compound that is used as a dyestuff and controversially as an antimicrobial in aquaculture. Malachite green oxalate is also a potent and selective inhibitor of IKBKE, and inhibits its downstream targets such as IκBα, p65 and IRF3. The quality and correctness of the information submitted to ECHA remains the responsibility of the data submitter. The properties and a number of applications of such complexes have been published. Note that for readability purposes, only the pictograms, signal words and hazard statements referred in more than 5% of the notifications under CLP are displayed. ... Molecular formula. InfoCards are updated when new information is available. Contents Harmonisation is based on the substance’s physical, toxicological and eco-toxicological hazard assessment. Molecular Weight. If generated, an InChI string will also be generated and made available for searching. [18] It has also historically been worn for protection from lightning and contagious diseases and for health, success, and constancy in the affections. Substances may have impurities and additives that lead to different classifications. Malachite Green Chemical Formula: C23H25ClN2 (chloride) Malachite Green Main Hazards: Moderately toxic, Extreme irritant; LD50 (median dose): 80mg/kg (oral, mouse) Information On Malachite Green From Wikipedia Malachite green is an organic compound that is used as a dyestuff and controversially as an antimicrobial in aquaculture. Molecular Weight: 364.91. Dense banded specimens are often sliced and polished to bring out their beautiful coloring. Malachite is a copper carbonate hydroxide mineral, with the formula Cu2CO3(OH)2. Kievlenko (1980), updated, Parr, Peter J. The EC Number is the numerical identifier for substances in the EC Inventory. Buy the … One possible use is the determination of malachite green itself, because aptamers are known which enhance malachite green fluorescence by factors in the order > 1000. A substance identified primarily by an EC or list number may be linked with more than one CAS number, or with CAS numbers that have been deleted. According to the classification provided by companies to ECHA in CLP notifications this substance is harmful if swallowed and causes serious eye damage. Basic Green 4, Malachite Green, Malachite Green Crystal manufacturer / supplier in China, offering Basic Green 4 Crystal Malachite Green for Mosquito Coil, Solvent Yellow 2 Oil Yellow Gg for Plastic, Solvent Red 13 Plastic Red B and so on. Malachite green oxalate salt: Catalog No. Malachite is one of the zodiac stones for those born in the heart of spring, under the sign of Taurus, from 20 April - 20 May. Synonym: Malachite Green Oxalate Linear Formula: 2[NH(CH 3) 2 C 6 H 4 C(C 6 H 5)=C 6 H 4 =N(CH 3) 2] + 3HOOCCOOH. Dane z jego strony opisu znajdują się poniżej. Title: Malachite Green Molecular Formula: C 23 H 25 ClN 2. Add 1 teaspoon of Malachite Green per 10 gallons of water to the tank. [16] The pigment is moderately lightfast, sensitive to acids, and varying in color. If a substance is classified under multiple CLH entries, a link to the C&L Inventory is provided to allow users to view CLH information associated with the substance and no text is automatically generated for the InfoCard. Malachite green is classified in the dyestuff industry as a triarylmethane dye and also using in pigment industry. Malachite is more common than azurite and is typically associated with copper deposits around limestones, the source of the carbonate. 100 g/L a 20 °C Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Pseudomorphs after more tabular or blocky azurite crystals also occur. Molecular Formula: C 5 2 H 5 4 N 4 O 1 2 Molecular Weight: 927.02 Wavelength of Maximum Absorption, λ Max (in 50:50 IMS:Water): 623nm Absorption Ratio (A λ max-15nm/A λmax+15nm): 1.01 Specific Absorption (A 1% in 10nm Cell) AT, λmax: 1814 Maximum Loss on Drying at 105 deg C: 10% Synonyms: Basic Green 4 Notable occurrences are at Phosphate Standard 892809 1 mL of 1 M phosphate (KH 2PO 4). 1800. Malachite, with its beautiful green color, is one of the natural birthstones for those born in mid spring (20 April - 20 May). Malachite green oxalate is also a potent and selective inhibitor of IKBKE, and inhibits its downstream targets such as IκBα, p65 and IRF3. However, substance notifications in the InfoCard are aggregated independently of the impurities and additives. : 1258668-21-1 Hazardous ingredients according to Regulation (EC) No 1272/2008 Component Classification Concentration Malachite Green-d5 picrate CAS-No. Green crystals bring you renewal, success in new ventures, and good health. The intense green color of the cation results from a strong absorption band at 621 nm (extinction coefficient of 10 M cm ). The date of the last update corresponds to the publication date of the InfoCard and not necessarily to the date in which the update occurred in the source data. Malachite Green Oxalate Crystals C.I. These chemicals can be purchased in individual amounts or bulk kits for … Malachite was used as a mineral pigment in green paints from antiquity until c. Malachite is a copper mineral, and that gives malachite a high specific gravity that ranges from 3.6 to 4.0. malachite green, acetate salt. ECHA organises consultations to get feedback from all interested parties and to gather the widest possible range of scientific information for the regulatory processes. The source of the information is mentioned in the introductory sentence of the hazard statements. Sol. Malachite Green Oxalate. 329.465; All; Links to Resources; Names & Synonyms; Registry Numbers; Structure Descriptors * denotes mobile formatted website. Malachite green oxalate is a triphenylmethane dye which can be used to detect the release of phosphate in enzymatic reactions. Relevant identified uses of the substance or mixture and uses advised against … Malachite green is an Archaeological material that can be obtained through excavating material caches or various excavation sites, requiring level 76 Archaeology, at various dig sites around RuneScape.. Malachite green is required to restore various artefacts.As players increase their Archaeology level and use higher tier mattocks, they are able to excavate malachite green at quicker rates. +49 34291 3372-36 Fax. These notifications can be provided by manufacturers, importers and downstream users. The molecular formula identifies each type of element by its chemical symbol and identifies the number of atoms of each element found in one discrete molecule of the substance. 3; H228, H301 = 100 % Hazardous ingredients according to Directive 1999/45/EC Component Classification Concentration Malachite Green … Molecular Weight: 364.92 Percent Composition: C 75.70% ... Molecular Formula or Molecular Weight. Malachite Green Oxalate Supplier: ALDON CORP SE. Malachite Green Reagent A 895855 5 vials (3 mL/vial) of ammonium molybdate in 3 M sulfuric acid. This natural form of green pigment has been replaced by its synthetic form, verditer, among other synthetic greens. In fish farming this agent has been in use for a long time but is now largely out of use due to its mutagenic properties. malachite green, oxalate (1:1) malachite green, oxalate (2:1) malachite green, oxalate … With a little tweak to its chemical formula, which can happen readily in water, malachite green can change colour from its characteristic deep blue to a nearly colourless compound. The … The Support section provides tools and practical guidance to companies which have responsibilities under the EU chemicals legislation. "The Tazza", a large malachite vase, one of the largest pieces of malachite in North America and a gift from Tsar Nicholas II, stands as the focal point in the centre of the room of Linda Hall Library. The CLP Regulation ensures that the hazards presented by chemicals are clearly communicated to workers and consumers in the European Union through classification and labelling of chemicals. More information about the EC Inventory can be found here. Malachite Green Broth M1266 Malachite Green Broth is used for selective enrichment of Pseudomonas aeruginosa . What is the Classification and Labelling Inventory? Malachite Green According to Regulation (EC) No 1907/2006, Annex II, as amended. Malachite Green Store at room temperature. REACH registered substance data was upgraded on 9th November. If available, additional information on classification and labelling (C&L) is derived from REACH registration dossiers submitted by industry. Malachite green is an organic compound that is used as a dyestuff and controversially as an antimicrobial in aquaculture.Malachite green is traditionally used as a dye for materials such as silk, leather, and paper.Despite its name the dye is not prepared from the mineral malachite, and the name just comes from the similarity of color.. 183–202 in, The Illustrated Book of Signs and Symbols by Miranda Bruce-Mitford, Dorling Kindersley Limited, London, 1996, p. 41, The Book of Talismans, Amulets and Zodiacal Gems, by William Thomas and Kate Pavitt, [1922], p. 254, "The Ancient Copper Mines Dug By Bronze Age Children", "The Red Queen and Her Sisters: Women of Power in Golden Kingdoms", https://en.wikipedia.org/w/index.php?title=Malachite&oldid=1000238575, Short description is different from Wikidata, Articles containing Middle French (ca. The ‘Hazard classification and labelling’ section shows the hazards of a substance based on the standardised system of statements and pictograms established under the CLP (Classification Labelling and Packaging) Regulation. No. Description: MALACHITE GREEN, C.I 42000 Molecular formula: C48H50N4O4.2(C2H2O4) = 927.02 g/mol Organic dye Form: crystal Colour: dark green Odour: almost odourless Melting temperature: ~159°C Bulk density: 0.4 - 0.5 g/ml Solubility in water Soluble (110 g/l, 24°C) pH value: 2.4 (10g/l, 24°C) Brand : Labmart from Malaysia (made in Belgium) HAZARD: Harmful if swallowed. [17] Marbodus recommended malachite as a talisman for young people because of its protective qualities and its ability to help with sleep. Parameters Methylene Blue (MB) Malachite Green (MG) Molecular formula C 16 H 18 ClN 3 S C 23 H 25 ClN 2 (chloride) Molecular weight 319.85 g/mol 364.911 g/mol (chloride) IUPAC name 3,7-bis(Dimethylamino)-phenothiazin-5-ium chloride 4-{[4-(Dimethylamino)phenyl](phenyl)methylidene}-N,N-dimethylcyclohexa-2,5-dien-1-iminium chloride Molecular structure Other names Basic blue 9 Aniline green… Malachite green has traditionally been utilised as a dye, having an intense green colour. Synonyms. During the experiment, rats were fed up to 543 ppm of leucomalachite green, an extreme amount compared to the average 5 ppb discovered in fish. Make a partial water change of at least 25% every 24 hours and re-treat. The European Commission requested EFSA to evaluate whether a reference point for action (RPA) of 2 μg/kg for the sum of MG and its major metabolite leucomalachite green (LMG) is adequate to protect public health. Percent Composition: ... Properties: Colorless, reduced form of malachite green. It is the responsibility of the substance manufacturers and importers to consult official publications, e.g. Adamantine to vitreous; silky if fibrous; dull to earthy if massive, This page was last edited on 14 January 2021, at 07:36. Used as a green-coloured dye, as a counter-stain in histology, and for its anti-fungal properties in aquaculture. This opaque, green-banded mineral crystallizes in the monoclinic crystal system, and most often forms botryoidal, fibrous, or stalagmitic masses, in fractures and deep, underground spaces, where the water table and hydrothermal fluids provide the means for chemical precipitation. 1258668-21-1 Flam. Molecular Formula: C 23 H 25 ClN 2. The ‘Substance identity’ section is calculated from substance identification information from all ECHA databases. Parameters Methylene Blue (MB) Malachite Green (MG) Molecular formula C 16 H 18 ClN 3 S C 23 H 25 ClN 2 (chloride) Molecular weight 319.85 g/mol 364.911 g/mol (chloride) IUPAC name 3,7-bis(Dimethylamino)-phenothiazin-5-ium chloride 4-{[4-(Dimethylamino)phenyl](phenyl)methylidene}-N,N-dimethylcyclohexa-2,5-dien-1-iminium chloride Molecular structure Malachite is also used for decorative purposes, such as in the Malachite Room in the Hermitage Museum, which features a huge malachite vase, and the Malachite Room in Castillo de Chapultepec in Mexico City. Such notifications are required for hazardous substances, mixtures, or articles, manufactured or imported at over 1 kg per annum. Common as contact or penetration twins on {100} and {201}. [6], Malachite was extensively mined at the Great Orme Mines in Britain 3,800 years ago, using stone and bone tools. This opaque, green banded mineral crystallizes in themonoclinic crystal system, and most often forms botryoidal, fibrous, orstalagmitic masses, in fractures and spaces, deep underground, where the water table and hydrothermal fluids provide the means for chemical precipitation. C.I. Harmonised classification and labelling is a legally binding classification and labelling for a substance, agreed at European Community level. Polysynthetic twinning also present. Sources. Malachite green: Common Name(s): Aniline green: Molecular Formula: C 23 H 25 ClN 2: Used For: Parasites, fungal and bacterial infections: Caution: Avoid eye contact: Material Safety Data Sheet: Malachite green: Contents. The purpose of the information provided under this section is to highlight the substance hazardousness in a readable format. Individual crystals are rare, but occur as slender to acicular prisms. 42000. malachite green. malachite green benzoate. MALACHITE GREEN, C.I 42000; Molecular formula: C48H50N4O4.2(C2H2O4) = 927.02 g/mol; Organic dye; Form: crystal Colour: dark green Odour: almost odourless Melting temperature: ~159°C Bulk density: 0.4 – 0.5 g/ml Solubility in water Soluble (110 g/l, 24°C) pH value: 2.4 (10g/l, 24°C) Brand : Labmart from Malaysia (made in Belgium) HAZARD: Harmful if swallowed. Basic Malachite Green Pdr/Cryst ( Rainbow Chemicals Co.) Basic Malachite Green Pdr/Cryst ( MV Products Inc.) Basic TSA Malachite Green Pdr/Cryst/Liq ( Trade-Search Associates) Basonyl Green 830 ( BASF Aktiengesellschaft) Basovict Malachite Green ( Victordyes (India)) Basovict Malachite Green XLS ( Victory Colour Chem Industries) Malachite Green Broth M1266 Malachite Green Broth is used for selective enrichment of Pseudomonas aeruginosa . The oxalate salt is also marketed. This property is so striking for a green mineral that malachite is easy to identify. C23-H25-N2. General Malachite Information : Chemical Formula: Cu2(CO3)(OH)2 : Composition: Molecular Weight = 221.12 gm Copper 57.48 % Cu 71.95 % CuO: Hydrogen 0.91 % H 8.15 % H 2 O: Carbon 5.43 % C 19.90 % CO 2: Oxygen 36.18 % O: 100.00 % 100.00 % = TOTAL OXIDE Sample of malachite found at Kaluku Luku Mine, Lubumbashi, Shaba, Congo, Vase in malachite in the Hermitage Museum, St Petersburg, Malachite, image taken under a stereoscopic microscope, British calendar, 1851, gilt bronze and malachite, height: 20.3 cm, Metropolitan Museum of Art (New York City), Gemmological classifications by E. Ya. It was one of the first ores used to produce copper metal. Individual crystals are rare, but occur as slender to acicular prisms. Testing Status of Leucomalachite green M960026 . Malachite is one of a small number of green minerals that produces effervescence in contact with cold, dilute hydrochloric acid. The EC Inventory is a combination of three independent European lists of substances from the previous EU chemicals regulatory frameworks (EINECS, ELINCS and the NLP-list). Regulatory process names 1 IUPAC names 1 Other identifiers 1 . Archaeological evidence indicates that mining activity ended c. 600 BCE, with up to 1,760 tonnes of copper being produced from the mined Malachite.[7][8]. Slice through a double stalactite, from Kolwezi, Democratic Republic of the Congo. MM0165-10G MM0161-100ML. In this review, malachite green will normally refer to malachite green oxalate; however, because the form of malachite green is Used as a green-coloured dye, as a counter-stain in histology, and for its anti-fungal properties in aquaculture. * Reagent B 895856 5 vials (3mL/vial) of malachite green oxalate and polyvinyl alcohol. The CLP Regulation uses the UN Global Harmonised System (GHS) and European Union Specific Hazard Statements (EUH). SECTION 1: Identification of the substance/mixture and of the company/undertaking 1.1. ECHA maintains the C&L Inventory, but does not review or verify the accuracy of the information. CAS Number: 18015-76-4 Thus each copper ion is conjugated to two hydroxyl ions and two carbonate ions; each hydroxyl ion is conjugated with two copper ions; and each carbonate ion is conjugated with six copper ions. Malachite green is an organic compound that is used as a dyestuff and controversially as an antimicrobial in aquaculture.Malachite green is traditionally used as a dye for materials such as silk, leather, and paper.Despite its name the dye is not prepared from the mineral malachite, and the name just comes from the similarity of color. Malachite and azurite from Bisbee, Warren District, Mule Mts, Cochise County, Arizona. Formula C23H25ClN2: Net Charge 0 Average Mass ... malachite green chloride ChEBI malachite green chloride salt ChEBI victoria green B ChEBI Manual Xrefs Databases C18367: KEGG COMPOUND Malachite_green: Wikipedia WO2008063374: Patent View more database links: Registry Numbers Types Sources 3580148 Reaxys Registry Number Reaxys 569-64-2 CAS …