HYDROXY NAPHTHOL BLUE Indicator grade

Chemical Information
Article No.	AL2510
Grade	Indicator grade
CAS Number	63451-35-4
Molecular Formula	C20H11N2Na3O11S3
Molecular Weight	620.48
HS Code	29270090
Shelf Life	5 Years

Physical Properties
Solubility in water(% weight)	Soluble in water
Colour	Balck powder
Boiling point(°C)	1413 °C
Melting point/ Freezing point(°C)	801 °C
Vapour pressure mm/Hg	1.0 mm Hg @ 8650C
Odour	Odorless
Physical state at 20 °C	Solid

Safety Information and Hazard Symbols
Signal Word	Warning
Precaution Statement	P261-P305 + P351 + P338
Symbol	GHS07
Hazardous Statement	H315-H319-H335

Specifications
Appearance	Black colored powder