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4-[(4-aminophenyl)diazenyl]benzenesulfonic acid (Molecular Formula: C12H11N3O3S)
Product Name: 4-[(4-aminophenyl)diazenyl]benzenesulfonic acid
CAS Registry Number: 104-23-4
EINECS: 203-187-9  
Synonyms: C.I. Food Yellow 6; 4'-Sulfo-4-aminoazobenzene; 104-23-4; Aminoazobenzenesulfonic acid; C.I. 13011 (Free acid);4-[(4-aminophenyl)diazenyl]benzenesulfonic acid; 4'-Aminoazobenzene-4-sulfonic acid;
Molecular Structure:
Molecular Formula: C12H11N3O3S
Molecular Weight: 277.29904
Density:  1.43 g/cm3
Boiling Point:  °Cat760mmHg
Flash Point:  °C
Refractive index:  1.663
Safety Statements:  Mutation data reported. When heated to decomposition it emits toxic vapors of NOx and SOx.
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