Description

PRODUCT NAME: Sodium hydrosulfite

ORIGIN:CHINA

CAS number :7632-00-0

Molecular formula :NaNO2

Molecular weight :69

EINECS Number :231-555-9

HS CODE:2831101000

  Other name: Sodium dithionite

Chemical properties

a) Physical state powder`

b) Color white

c) Odor No data available

d) Melting point/freezing point 300 °C

e) Initial boiling point and boiling range      No data available

f) Flammability (solid,gas)

The product is not flammable. - Regulation (EC) No. 440/2008, Annex, A.10g) Upper/lower

flammability or explosive limits   No data available

h) Flash point    Not applicable

i) Autoignition temperature 140 °C  at 0.1 hPa - Regulation (EC) No. 440/2008, Annex, A.16The substance or mixture is classified as self heating with the

category 1.

j) Decomposition

Temperature    No data available

k) PH 7.0 - 9 at 50 g/l at 20 °C

l) Viscosity Viscosity, kinematic:   No data available

Viscosity, dynamic: No data available m) Water solubility 241,000 g/l at 20 °C - soluble

n) Partition coefficient: n-octanol/water    Not applicable for inorganic substances

o) Vapor pressure    No data available

p) Density 2.38 g/cm3 at 20 °C Relative density No data available

q) Relative vapor

Density    No data available