Product Name:	H Acid
WCode:	08-016
CAS No.	5460-09-3
Molecular Formula:	C10H8O7NS2Na
Formula Weight:	341.29

Physical and Chemical Properties
Physical State	White to gray-yellow powder
Solubility in Water	Slightly soluble
Autoignition	340°C
Refractive Index	1.436-1.437
NFPA Ratings	Health: 1; Flammability: 1; Reactivity:0
Stability	Stable
Applications
Main intermediate for large number of dyes and pigments.
Sales Specification
Appearance	Grey white powder
Purity	85% Min
Insoluble in alkali	0.2% Max
Chromotropic Acid	1.50% Max
T-Acid	0.2% Max
Moisture	5.0% Max
HPLC	97% Min

Packing

In 25 KG plastic woven bag