4，4’-Bis(4-amino-1-naphthylazo)-2，2’-stilbenedisulfonic Acid， 90% , 90% , 5463-64-9

CAS NO.：5463-64-9

Empirical Formula: C34H26N6O6S2

Molecular Weight: 678.74

MDL number: MFCD00041943

EINECS: 226-754-2

PRODUCT Properties

• Melting point: >300°C
• Density: 1.2173 (rough estimate)
• refractive index: 1.7000 (estimate)
• storage temp.: Hygroscopic, Refrigerator, Under Inert Atmosphere
• solubility: Basic Methanol (Slightly), DMSO (Slightly, Heated)
• form: Solid
• pka: -1.33±0.50(Predicted)
• Colour Index: 24860
• color: Black
• Stability: Hygroscopic
• EPA Substance Registry System: Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis[5-[(4-amino-1-naphthalenyl)azo]- (5463-64-9)

Description and Uses

A new indicator for the determination of organic acid anhydrides by the morpholine method.

Safety

• Symbol(GHS): GHS07
• Signal word: Warning
• Hazard statements: H315-H319
• Precautionary statements: P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313
• Risk Statements: 36/37/38
• Safety Statements: 24/25
• HS Code: 29270000