Other Name

Sodium P-Toluenesulfinate Tetrahydrate; P-Toluenesulfinic Acid Sodium Salt Tetrahydrate; P-Toluene Sulfinic Acid Sodium·Tetrahydrate

CAS No

824-79-3

Molecular Formula

C7H7O2SNa·4H2O

Product Usage

It can be used as intermediate of pharmaceutical and dispersal dyes, and also can be used as curing agent of grouting material.

Check-Point

Unit

Specifications

Appearance

--

White Crystalline Powder

Purity

% min

98

Loss On Drying

% max

25-35

PH

--

8.0-10.0

Insoluble Matter In Water（H2O 20% Soln）

--

clear & colorless

Heavy Metal

ppm max

20

Sulfate

% max

0.2

Chloride

% max

0.5

Iron

ppm max

10