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8-hydroxy-5,7-dinitronaphthalene-2-sulfonic acid (Molecular Formula: C10H6N2O8S)
Product Name: 8-hydroxy-5,7-dinitronaphthalene-2-sulfonic acid
CAS Registry Number: 483-84-1
EINECS: 207-600-3  
Synonyms: Naphthol Yellow; 483-84-1;8-hydroxy-5,7-dinitronaphthalene-2-sulfonic acid; 8-hydroxy-5,7-dinitronaphthalene-2-sulfonic acid; DNNS;Flavianic acid; 8-Hydroxy-5,7-dinitro-2-naphthalenesulfonic acid;
Molecular Structure:
Molecular Formula: C10H6N2O8S
Molecular Weight: 314.22824
Density:  1.865 g/cm3
Boiling Point:  °Cat760mmHg
Melting Point:  148-151 °C(lit.)
Flash Point:  °C
Refractive index:  1.744
Risk Codes:  34-40
Safety Statements:  Mutation data reported. When heated to decomposition it emits toxic vapors of NOx and SOx.
Hazard Symbols:  C: Corrosive;
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