Sodium p-toluene sulfinate(SPTS)
Properties: soluble in water, stored avoiding light; toxic.
Molecular formula: C7H7O2SNa
Molecular weight: 178.2
CAS No.: 824-79-3
Specifications:
|
No.
|
Test Items
|
Specification
|
|
1
|
Appearance
|
White powder
|
|
2
|
Purity %≥
|
98.0
|
|
3
|
water solution(10%)
|
Transparent in slight
|
|
4
|
PH value(10%)≤
|
10.0
|
|
5
|
Moisture %≤
|
1.0
|
|
6
|
NaCl %≤
|
1.0
|
|
7
|
Na2SO4 %≤
|
2.0
|
|
8
|
Na2CO3 %≤
|
0.05
|
Package: plastic weaving bag lined with plastic bag.
Net weight: 25Kg.
25kg and 20,000kg/container; Annual output: 500,000Kg
Applications:
The intermediate of medicinal;
Antifogging agent in photography;
Oxydation inhibitor.
