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4-amino-5-hydroxynaphthalene-1-sulfonic acid (Molecular Formula: C10H9NO4S)
Product Name: 4-amino-5-hydroxynaphthalene-1-sulfonic acid
CAS Registry Number: 83-64-7
EINECS: 201-491-6  
Synonyms: 83-64-7;Chicago acid S;4-amino-5-hydroxynaphthalene-1-sulfonic acid; Aminonaphtholsulfonic acid S; 4-Amino-5-hydroxy-1-naphthalenesulfonic acid; Kyselina S;
Molecular Structure:
Molecular Formula: C10H9NO4S
Molecular Weight: 239.24776
Flash Point:  
Risk Codes:  34
Safety Statements:  Mildly toxic by ingestion. An eye irritant. See also SULFONATES. When heated to decomposition it emits very toxic fumes of NOx and SOx.
Hazard Symbols:  C: Corrosive;
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