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Malachite green

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1594:. Leucomalachite green causes an "increase in the number and severity of changes". 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. 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. After a period of two years, an increase in lung adenomas in male rats was discovered but no incidences of liver tumors. Therefore, it could be concluded that malachite green caused carcinogenic symptoms, but a direct link between malachite green and 1328: 314: 219: 503: 38: 498: 508: 493: 47: 1288: 1400: 638: 1493:
fluorescent molecule to a highly fluorescent molecule. In the fluorogen activating protein tool, established by a group at Carnegie Mellon University, Malachite green binds a specific fluorogen activating protein to become highly fluorescent. Expression of the fluorogen activating protein as fusions of targeting domains can impart subcellular localization. Its use is similar to that of
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A set of malachite green derivatives is also a key component in a fluorescence microscopy tool called the fluorogen activating protein/fluorogen system. Malachite green is in a class of molecules called fluorophores. When malachite green's rotational freedom is restricted, it transforms from a non
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In 1992, Canadian authorities determined that eating fish contaminated with malachite green posed a significant health risk. Malachite green was classified a Class II Health Hazard. Due to its low manufacturing cost, malachite green is still used in certain countries with less restrictive laws for
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This alcohol is important because it, not MG, traverses cell membranes. Once inside the cell, it is metabolized into LMG. Only the cation MG is deeply colored, whereas the leuco and alcohol derivatives are not. This difference arises because only the cationic form has extended pi-delocalization,
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MG has frequently been used to catch thieves and pilferers. The bait, usually money, is sprinkled with the anhydrous powder. Anyone handling the contaminated money will find that on upon washing the hands, a green stain on the skin that lasts for several days will result.
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7.9x10), several research groups have developed technologies to detect malachite green. For example, Zhao et al., demonstrated the use of malachite green aptamer in microcantilever based sensors to detect low concentration of malachite green.
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Malachite green has been banned in the United States since 1983 in food-related applications. The substance is also banned in the United Kingdom. It is prohibited from the use in food in Macao.
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Cho, Bongsup P.; Yang, Tianle; Blankenship, Lonnie R.; et al. (2003). "Synthesis and Characterization of N-Demethylated Metabolites of Malachite Green and Leucomalachite Green".
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Wendy C. Andersen, Sherri B. Turnipseed, and José E. Roybal "Quantitative and Confirmatory Analyses of Malachite Green and Leucomalachite Green Residues in Fish and Shrimp"
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Plakas, S. M.; El Said, K. R.; Stehly, G. R.; et al. (1996). "Uptake, tissue distribution, and metabolism of malachite green in the channel catfish (
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Malachite green is traditionally used as a dye. Kilotonnes of MG and related triarylmethane dyes are produced annually for this purpose.
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between pH 0.2–1.8. However, this use is relatively rare. Leuco-malachite green (LMG) is used as a detection method for latent blood in
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but has the added benefit of having a 'dark state' before the malachite green fluorophore is added. This is especially useful for
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Babendure, Jeremy R.; Adams, Stephen R.; Tsien, Roger Y. (2003). "Aptamers Switch on Fluorescence of Triphenylmethane Dyes".
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InChI=1S/C23H25N2.ClH/c1-24(2)21-14-10-19(11-15-21)23(18-8-6-5-7-9-18)20-12-16-22(17-13-20)25(3)4;/h5-17H,1-4H3;1H/q+1;/p-1
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InChI=1/C23H25N2.ClH/c1-24(2)21-14-10-19(11-15-21)23(18-8-6-5-7-9-18)20-12-16-22(17-13-20)25(3)4;/h5-17H,1-4H3;1H/q+1;/p-1
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Effect of Receptor Attachment on Sensitivity of Label Free Microcantilever Based Biosensor Using Malachite Green Aptamer
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have no effect on the color. The intense green color of the cation results from a strong absorption band at 621 nm (
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DeFina, Steven C.; Dieckmann, Thorsten (2002). "Synthesis of selectively N- or C-labelled malachite green".
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of the MG cation. The alcohol derivative of MG is derived from LMG by replacement of the unique C–H by C–OH.
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This article is about the organic dye called "malachite green". For the use of malachite as a pigment, see
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Annual Report on Surveillance for Veterinary Residues in Food in the UK for 2001, 2002, and 2003
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Poopal, Rama-Krishnan; Ashwini, Rajan; Ramesh, Mathan; Li, Bin; Ren, Zongming (2023-03-01).
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and also using in pigment industry. Formally, malachite green refers to the chloride salt
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stained with malachite green (vegetative cells stained pink with safranin counterstain)
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Srivastava, S; Sinha, R; Roy, D (2004). "Toxicological effects of malachite green".
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On the left is leuco-malachite Green (LMG) and on the right are the two equivalent
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Raducan, Adina; Olteanu, Alexandra; Puiu, Mihaela; Oancea, Dumitru (2008-03-01).
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Numerous niche applications exploit the intense color of MG. It is used as a
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stains bacteria red or magenta, and malachite green is used as a blue-green
1114:{\displaystyle {\ce {C6H5CHO + C6H5N(CH3)2 -> (C6H5N(CH3)2)2C6H5 + H2O}}} 37: 2187: 2091: 2040: 1997: 1902: 1826: 1762: 1470: 1442: 1426: 1313: 870: 828: 779: 431: 2004: 1802: 1399: 46: 2169: 1606:
Although malachite green has almost no fluorescence in aqueous solution (
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Thomas Gessner and Udo Mayer "Triarylmethane and Diarylmethane Dyes" in
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Schoettger, 1970; Smith and Heath, 1979; Gluth and Hanke, 1983. Bills
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counterstain is often used. Malachite green is a part of Alexander's
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Except where otherwise noted, data are given for materials in their
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Dhamgaye, S; Devaux, F; Manoharlal, R; et al. (Jan 2012).
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Aniline green; Basic green 4; Diamond green B; Victoria green B
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Malachite green is classified in the dyestuff industry as a
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Culp, S J; Beland, FA; Heflich, R H; et al. (2002).
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Malachite green - endospore staining technique (video)
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Journal of Labelled Compounds and Radiopharmaceuticals
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Second, this colorless leuco compound, a relative of
890: 2019:(48). American Chemical Society (ACS): 14716–14717. 704:; the name just comes from the similarity of color. 697:. Despite its name the dye is not prepared from the 2010: 1924:
Chinese fish crisis shows seafood safety challenges
1284:which allows the molecule to absorb visible light. 869:Malachite green is prepared by the condensation of 1730: 1113: 536: 2228: 259: 2130: 110: 102: 1711:Ullmann's Encyclopedia of Industrial Chemistry 1693: 1320:in the molecular ratio 1:2 in the presence of 1308:form of malachite green was first prepared by 72:-dimethylcyclohexa-2,5-dien-1-iminium chloride 1800: 1782:. National Forensic Science Technology Center 371:CN(C)c1ccc(cc1)C(=C2C=CC(=(C)C)C=C2)c3ccccc3. 1875:Environmental Science and Pollution Research 707: 681:and controversially as an antimicrobial in 435: 1775: 586: 312: 217: 195: 2177: 2055:https://doi.org/10.1016/j.snb.2019.126963 1670: 1366:. It is a very popular treatment against 279: 2013:Journal of the American Chemical Society 1461:. Malachite green can also be used as a 1398: 1352:, which infects fish eggs in commercial 1286: 1128:, is oxidized to the cation that is MG: 1481:catalyzes the reaction between LMG and 308: 2229: 1698:. Jai Sai Publications. pp. 2/37. 414:364.911 g/mol (chloride) 208: 340:Key: FDZZZRQASAIRJF-UHFFFAOYSA-M 175: 155: 1801:Szent-Gyorgyi, Christopher (2007). 1518:found traces of malachite green in 775:Malachite green (second transition) 350:Key: FDZZZRQASAIRJF-REWHXWOFAA 250: 234: 13: 2202:U.S. National Institutes of Health 2063: 1445:. Malachite green is also used in 1326: 824:Malachite green (first transition) 25:Basic copper carbonate § Uses 14: 2283: 2207:U.S. Food and Drug Administration 2195: 636: 506: 501: 496: 491: 45: 36: 2047: 1967: 1953: 1939:Veterinary Residues Committee. 1933: 1917: 1851:2006, volume 54, pp. 4517–4523. 1696:Principles of organic chemistry 1514:purposes. In 2005, analysts in 1453:within bacterial cells; here a 632:(at 25 °C , 100 kPa). 1862: 1841: 1794: 1769: 1724: 1702: 1687: 1646: 1621: 1449:, since it can directly stain 1299: 1052: 1039: 1023: 989: 984: 971: 955: 452:Occupational safety and health 1: 1990:10.1016/S0027-5107(02)00152-5 1755:10.1016/j.aquatox.2003.09.008 1614: 1526:. In 2006, the United States 1504: 1394: 1385:Antimicrobials in aquaculture 1202:A typical oxidizing agent is 1601: 1528:Food and Drug Administration 1369:Ichthyophthirius multifiliis 1356:, MG has been used to treat 1331:Synthesis of malachite green 7: 2158:Antimicrob Agents Chemother 1574: 756:salt is also marketed. The 600:or concentration (LD, LC): 10: 2288: 1887:10.1007/s11356-022-24206-y 1714:2002, Wiley-VCH, Weinheim. 1209:Hydrolysis of MG gives an 465:Moderately toxic, Extreme 18: 2212:U.K. Department of Health 1672:10.2478/s11532-007-0066-0 1343:MG is active against the 822: 773: 708:Structures and properties 626: 596: 472: 449: 444: 418: 379: 359: 324: 86: 78: 58: 53: 44: 35: 2105:Can. J. Fish. Aquat. Sci 1720:10.1002/14356007.a27_179 557:Precautionary statements 64:4-{(phenyl)methylidene}- 2267:Dimethylamino compounds 2117:10.1139/cjfas-53-6-1427 1859:and references therein 1544:malachite green to its 1522:and fish imported from 1435:Gimenez staining method 1335: 881:malachite green (LMG): 1552:(the leuco form has a 1414: 1332: 1312:in 1877 by condensing 1296: 1115: 762:extinction coefficient 1598:was not established. 1402: 1330: 1290: 1116: 107: (chloride salt) 2222:Malachite Green Dyes 2170:10.1128/AAC.00574-11 1849:J. Agric. Food Chem. 1807:Nature Biotechnology 1694:Dr. M Vishwanathan. 1293:resonance structures 888: 115: (oxalate salt) 60:Preferred IUPAC name 21:Malachite § Use 2242:Triarylmethane dyes 2101:Ictalurus punctatus 1881:(11): 28759–28779. 1747:2004AqTox..66..319S 1629:"C&L Inventory" 1106: 1090: 1077: 1064: 1051: 1038: 1017: 1004: 983: 970: 949: 936: 917: 904: 32: 2072:Chem. Res. Toxicol 1984:. 506–507: 55–63. 1946:2012-02-11 at the 1734:Aquatic Toxicology 1590:" along with lung 1463:saturable absorber 1447:endospore staining 1415: 1362:and is used as an 1333: 1297: 1111: 1094: 1078: 1065: 1026: 1021: 1005: 992: 987: 958: 953: 937: 924: 905: 892: 714:triarylmethane dye 677:that is used as a 659:Infobox references 30: 2084:10.1021/tx0256679 2025:10.1021/ja037994o 1981:Mutation Research 1857:10.1021/jf0532258 1483:hydrogen peroxide 1406:Bacillus subtilis 1403:A preparation of 1204:manganese dioxide 1109: 1097: 1081: 1068: 1029: 1020: 1008: 995: 961: 952: 940: 927: 920: 908: 895: 867: 866: 818: 817: 667:Chemical compound 665: 664: 531:Hazard statements 404:(chloride) 293:CompTox Dashboard 137:Interactive image 2279: 2191: 2181: 2148: 2145:10.1002/jlcr.554 2120: 2111:(6): 1427–1433. 2095: 2057: 2051: 2045: 2044: 2008: 2002: 2001: 1971: 1965: 1964: 1957: 1951: 1937: 1931: 1921: 1915: 1914: 1866: 1860: 1845: 1839: 1838: 1798: 1792: 1791: 1789: 1787: 1781: 1773: 1767: 1766: 1728: 1722: 1706: 1700: 1699: 1691: 1685: 1684: 1674: 1650: 1644: 1643: 1641: 1639: 1625: 1475:forensic science 1419:biological stain 1379:. The principal 1279: 1198: 1126:triphenylmethane 1120: 1118: 1117: 1112: 1110: 1107: 1105: 1102: 1095: 1089: 1086: 1079: 1076: 1073: 1066: 1063: 1060: 1055: 1050: 1047: 1042: 1037: 1034: 1027: 1018: 1016: 1013: 1006: 1003: 1000: 993: 982: 979: 974: 969: 966: 959: 950: 948: 945: 938: 935: 932: 925: 918: 916: 913: 906: 903: 900: 893: 832: 820: 819: 783: 771: 770: 767: 747: 675:organic compound 649: 643: 640: 639: 592: 588: 584: 580: 576: 572: 568: 564: 550: 546: 542: 538: 510: 505: 500: 495: 439: 387:Chemical formula 317: 316: 301: 299: 283: 263: 252: 238: 221: 210: 199: 179: 159: 139: 114: 106: 49: 40: 33: 31:Malachite green 29: 2287: 2286: 2282: 2281: 2280: 2278: 2277: 2276: 2257:Aromatic amines 2227: 2226: 2198: 2066: 2064:Further reading 2061: 2060: 2052: 2048: 2009: 2005: 1972: 1968: 1959: 1958: 1954: 1948:Wayback Machine 1938: 1934: 1922: 1918: 1867: 1863: 1846: 1842: 1819:10.1038/nbt1368 1799: 1795: 1785: 1783: 1779: 1774: 1770: 1729: 1725: 1707: 1703: 1692: 1688: 1651: 1647: 1637: 1635: 1627: 1626: 1622: 1617: 1604: 1584: 1577: 1567:muscle longer ( 1563:is retained in 1507: 1397: 1338: 1318:dimethylaniline 1310:Hermann Fischer 1302: 1277: 1273: 1269: 1265: 1261: 1257: 1253: 1249: 1245: 1241: 1237: 1233: 1229: 1225: 1221: 1217: 1196: 1192: 1188: 1184: 1180: 1176: 1172: 1168: 1164: 1160: 1156: 1152: 1148: 1144: 1140: 1136: 1132: 1103: 1098: 1087: 1082: 1074: 1069: 1061: 1056: 1048: 1043: 1035: 1030: 1022: 1014: 1009: 1001: 996: 988: 980: 975: 967: 962: 954: 946: 941: 933: 928: 914: 909: 901: 896: 891: 889: 886: 885: 875:dimethylaniline 826: 777: 765: 745: 741: 737: 733: 729: 725: 721: 717: 710: 671:Malachite green 668: 661: 656: 655: 654:  ?) 645: 641: 637: 633: 618:80mg/kg (oral, 615: 609: 559: 533: 519: 488: 462: 428: 403: 399: 395: 389: 375: 372: 367: 366: 355: 352: 351: 348: 342: 341: 338: 332: 331: 320: 302: 295: 286: 266: 253: 241: 202: 182: 162: 142: 129: 118: 96: 82: 74: 73: 28: 17: 12: 11: 5: 2285: 2275: 2274: 2269: 2264: 2259: 2254: 2252:Antimicrobials 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635: 634: 630:standard state 627: 624: 623: 616: 607: 605: 602: 601: 594: 593: 579:P305+P351+P338 560: 555: 552: 551: 534: 529: 526: 525: 520: 515: 512: 511: 489: 484: 481: 480: 470: 469: 463: 460: 457: 456: 447: 446: 442: 441: 429: 424: 421: 420: 416: 415: 412: 406: 405: 401: 397: 393: 390: 385: 382: 381: 377: 376: 374: 373: 370: 362: 361: 360: 357: 356: 354: 353: 349: 346: 345: 343: 339: 336: 335: 327: 326: 325: 322: 321: 319: 318: 305: 303: 291: 288: 287: 285: 284: 276: 274: 268: 267: 265: 264: 256: 254: 246: 243: 242: 240: 239: 231: 229: 223: 222: 212: 204: 203: 201: 200: 192: 190: 184: 183: 181: 180: 172: 170: 164: 163: 161: 160: 152: 150: 144: 143: 141: 140: 132: 130: 123: 120: 119: 117: 116: 108: 99: 97: 92: 89: 88: 84: 83: 80: 76: 75: 63: 62: 56: 55: 51: 50: 42: 41: 15: 9: 6: 4: 3: 2: 2284: 2273: 2270: 2268: 2265: 2263: 2262:Fish medicine 2260: 2258: 2255: 2253: 2250: 2248: 2247:Staining dyes 2245: 2243: 2240: 2238: 2237:PH indicators 2235: 2234: 2232: 2223: 2220: 2218: 2215: 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Being 1539: 1536: 1532:among others 1508: 1491: 1471:pH indicator 1459:pollen stain 1443:counterstain 1427:cell biology 1425:analysis of 1416: 1404: 1389: 1367: 1357: 1347: 1342: 1339: 1314:benzaldehyde 1303: 1282: 1208: 1201: 1123: 871:benzaldehyde 868: 861: 856: 851: 845:above pH 1.8 844: 838:below pH 0.2 837: 829:pH indicator 823: 812: 807: 802: 795: 788: 780:pH indicator 774: 711: 670: 669: 597: 522: 474: 461:Main hazards 450: 177:ChEMBL186357 87:Identifiers 79:Other names 69: 65: 1638:27 December 1596:liver tumor 1588:DNA adducts 1550:lipophillic 1512:aquaculture 1423:microscopic 1359:Saprolegnia 1354:aquaculture 1349:Saprolegnia 1300:Preparation 1161:+ HCl + ½ O 683:aquaculture 612:median dose 598:Lethal dose 517:Signal word 455:(OHS/OSH): 426:ATCvet code 380:Properties 215:100.008.476 157:CHEBI:72449 16:Organic dye 2231:Categories 1930:, 7/1/2007 1615:References 1561:metabolite 1542:metabolize 1505:Regulation 1479:Hemoglobin 1469:, or as a 1467:dye lasers 1451:endospores 1411:endospores 1395:Niche uses 1381:metabolite 1374:freshwater 486:Pictograms 410:Molar mass 281:12058M7ORO 188:ChemSpider 124:3D model ( 94:CAS Number 2033:0002-7863 1928:USA Today 1911:253671609 1895:1614-7499 1786:8 January 1681:2391-5420 1602:Detection 1554:log  1516:Hong Kong 1501:studies. 1433:. In the 985:⟶ 702:malachite 575:P301+P312 477:labelling 112:2437-29-8 2188:22006003 2092:12641428 2041:14640641 1998:12351145 1944:Archived 1903:36401692 1835:21815631 1827:18157118 1763:15129773 1592:adenomas 1575:Toxicity 1540:Animals 1455:safranin 1437:, basic 1409:showing 1345:oomycete 1165:→ [C 877:to give 679:dyestuff 467:irritant 445:Hazards 440:) 432:QP53AX16 104:569-64-2 2179:3256066 1743:Bibcode 1565:catfish 1439:fuchsin 1377:aquaria 1258:C(OH)(C 1246:]Cl + H 1211:alcohol 1193:]Cl + H 766:10 M cm 754:oxalate 699:mineral 691:leather 652:what is 650: ( 434: ( 248:PubChem 2186:  2176:  2127:(1977) 2125:et al. 2090:  2039:  2031:  1996:  1909:  1901:  1893:  1833:  1825:  1761:  1679:  1218:[C 758:anions 752:. The 750:cation 718:[C 693:, and 673:is an 647:verify 644:  523:Danger 364:SMILES 236:C18367 168:ChEMBL 54:Names 23:, and 1907:S2CID 1831:S2CID 1780:(PDF) 1546:leuco 1524:China 1487:blood 1306:leuco 1278:+ HCl 1250:O → C 879:leuco 695:paper 620:mouse 545:H361d 329:InChI 261:11294 197:10820 148:ChEBI 126:JSmol 2184:PMID 2103:)". 2088:PMID 2037:PMID 2029:ISSN 1994:PMID 1899:PMID 1891:ISSN 1823:PMID 1788:2018 1759:PMID 1677:ISSN 1640:2021 1579:The 1520:eels 1510:non 1499:FRET 1429:and 1421:for 1336:Uses 1316:and 1304:The 1266:N(CH 1234:N(CH 1181:N(CH 1149:N(CH 1141:CH(C 873:and 813:13.2 803:11.5 734:N(CH 687:silk 591:P501 587:P330 583:P310 571:P280 567:P270 563:P264 549:H410 541:H318 537:H302 272:UNII 227:KEGG 2174:PMC 2166:doi 2141:doi 2113:doi 2080:doi 2021:doi 2017:125 1986:doi 1883:doi 1853:doi 1815:doi 1751:doi 1716:doi 1667:doi 1495:GFP 1465:in 1372:in 1226:C(C 1173:C(C 919:CHO 862:1.8 852:0.2 768:). 764:of 746:]Cl 726:C(C 475:GHS 437:WHO 400:ClN 298:EPA 251:CID 2233:: 2182:. 2172:. 2162:56 2160:. 2156:. 2137:45 2135:. 2109:53 2107:. 2086:. 2076:16 2074:. 2035:. 2027:. 2015:. 1992:. 1978:. 1926:, 1905:. 1897:. 1889:. 1879:30 1877:. 1873:. 1829:. 1821:. 1811:26 1809:. 1805:. 1757:. 1749:. 1739:66 1737:. 1675:. 1661:. 1657:. 1631:. 1583:50 1581:LD 1569:HL 1489:. 1477:. 1387:. 1324:. 1213:: 1206:. 1028:CH 960:CH 689:, 622:) 608:50 606:LD 589:, 585:, 581:, 577:, 573:, 569:, 565:, 547:, 543:, 539:, 479:: 398:25 394:23 2190:. 2168:: 2147:. 2143:: 2119:. 2115:: 2094:. 2082:: 2043:. 2023:: 2000:. 1988:: 1963:. 1950:. 1913:. 1885:: 1855:: 1837:. 1817:: 1790:. 1765:. 1753:: 1745:: 1718:: 1683:. 1669:: 1663:6 1642:. 1556:P 1276:2 1274:) 1272:2 1270:) 1268:3 1264:4 1262:H 1260:6 1256:5 1254:H 1252:6 1248:2 1244:2 1242:) 1240:2 1238:) 1236:3 1232:4 1230:H 1228:6 1224:5 1222:H 1220:6 1197:O 1195:2 1191:2 1189:) 1187:2 1185:) 1183:3 1179:4 1177:H 1175:6 1171:5 1169:H 1167:6 1163:2 1159:2 1157:) 1155:2 1153:) 1151:3 1147:4 1145:H 1143:6 1139:5 1137:H 1135:6 1133:C 1108:O 1100:2 1096:H 1092:+ 1084:5 1080:H 1071:6 1067:C 1058:2 1053:) 1045:2 1040:) 1032:3 1024:( 1019:N 1011:5 1007:H 998:6 994:C 990:( 977:2 972:) 964:3 956:( 951:N 943:5 939:H 930:6 926:C 922:+ 911:5 907:H 898:6 894:C 857:⇌ 831:) 827:( 808:⇌ 782:) 778:( 744:2 742:) 740:2 738:) 736:3 732:4 730:H 728:6 724:5 722:H 720:6 642:Y 614:) 610:( 402:2 396:H 392:C 300:) 296:( 128:) 70:N 68:, 66:N 27:.

Index

Malachite § Use
Basic copper carbonate § Uses


Preferred IUPAC name
CAS Number
569-64-2
2437-29-8
JSmol
Interactive image
ChEBI
CHEBI:72449
ChEMBL
ChEMBL186357
ChemSpider
10820
ECHA InfoCard
100.008.476
Edit this at Wikidata
KEGG
C18367
PubChem
11294
UNII
12058M7ORO
CompTox Dashboard
DTXSID1025512
Edit this at Wikidata
InChI
SMILES

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