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reactive black 5 (Molecular Formula: C26H21N5Na4O19S6)

Product Name: reactive black 5
CAS Registry Number: 17095-24-8
EINECS: 241-164-5  
Synonyms: 2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-3,6-bis[[4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]azo]-, tetrasodium salt;reactive black 5;
Molecular Structure:
Molecular Formula: C26H21N5Na4O19S6
Molecular Weight: 991.82
Density:  g/cm3
Boiling Point:  °Cat760mmHg
Melting Point:  >300 °C(lit.)
Flash Point:  °C
Risk Codes:  42
Safety Statements:  Questionable carcinogen with experimental tumorigenic data. When heated to decomposition it emits very toxic fumes of Na2O, NOx, and SOx.
Hazard Symbols:  Xn: Harmful;

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