1937-37-7
Chemical Structure
Direct Black 38
Synonym(s): Chlorazol Black E; Ferristatin II disodium; C.I. 30235
- CAS. Nr.: 1937-37-7
- Formula:C34H25N9Na2O7S2
- Molecular Weight:781.73
IUPAC Name: sodium 4-amino-3-((E)-(4'-((E)-(2,4-diaminophenyl)diazenyl)-[1,1'-biphenyl]-4-yl)diazenyl)-5-hydroxy-6-((E)-phenyldiazenyl)naphthalene-2,7-disulfonate
InChIKey: XRPLBRIHZGVJIC-UVHCWRHYSA-L
SMILES: O=S(C1=C(/N=N/C2=CC=C(C3=CC=C(/N=N/C4=CC=C(N)C=C4N)C=C3)C=C2)C(N)=C5C(O)=C(/N=N/C6=CC=CC=C6)C(S(=O)(O[Na])=O)=CC5=C1)(O[Na])=O
Biological Activity: Direct Black 38 (Chlorazol Black E) is a benzidine-based azo dye, a substrate of Enterococcus gallinarum, and is mainly used for textile dyeing. Direct Black 38 is biodegradable after being reduced by microbial enzymes (such as Enterococcus gallinarum azoreductase), breaking the azo bonds and releasing benzidine and 4-aminobiphenyl. Direct Black 38 can be used in environmental toxicology, wastewater treatment and carcinogenicity studies, but its metabolite benzidine is listed as a human carcinogen[1].
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Direct Black 38 | Direct Black 38 (Chlorazol Black E) is a benzidine-based azo dye, a substrate of Enterococcus gallinarum, and is mainly used for textile dyeing. Direct Black 38 is biodegradable after being reduced by microbial enzymes (such as Enterococcus gallinarum azoreductase), breaking the azo bonds and releasing benzidine and 4-aminobiphenyl. Direct Black 38 can be used in environmental toxicology, wastewater treatment and carcinogenicity studies, but its metabolite benzidine is listed as a human carcinogen. | |||||||||||||||||||||
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Similarity Score 0.88
HY-D0256ADirect Black 38 free acid -
Similarity Score 0.77
HY-D0774Direct Black 168 -
Similarity Score 0.77
HY-D0325Direct Black BH sodium -
Similarity Score 0.77
HY-D0390Acid green 20 -
Similarity Score 0.74
HY-D0407C.I. Acid black 94 -
Similarity Score 0.72
HY-Y0695Amido Black 10B -
Similarity Score 0.72
HY-B1965Direct blue 6 -
Similarity Score 0.66
HY-D0396C.I. Direct red 16 -
Similarity Score 0.66
HY-D1270Direct Violet 1 -
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