◆ Reagent

disodium 4-amino-3-[[4'-[(2,4-diaminophenyl)azo][1,1'-biphenyl]-4-yl]azo]-5-hydroxy-6-(phenylazo)naphtalene-2,7-disulphonate; C.I. Direct Black 38

CAS 1937-37-7 · C34H25N9Na2O7S2
Hazard class
Danger — Health hazard
Pictograms
Health hazard
H-statements
  • H350
  • H361d
Synonyms
Direct Black 38 · C.I. Direct Black 38 · Chlorazol Black E · Chlorazol black · C.I. 30235 · CI DIRECT BLACK 38 · Calcomine Black · Meta Black
Molecular weight
781.7 g/mol
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GHS/CLP classification from authoritative registries (ECHA Annex VI, PubChem). Reagent is a free chemical safety search. API · Console