Chemical Name

Sodium 3-nitrobenzenesulphonate

Synonyms

3-Nitrobenzenesulfonic acid sodium salt;

Reserver S;

Antidyeing agent S;

Ludigol S

Molecular Formula

C6H4NNaO5S

Molecular Weight

225.15

CAS No.

127-68-4

EINECS

204-857-3

Appearance

Yellow powder

Solubility

Soluble in water and acid, insoluble in some organic solvents, such as alcohol, cther, benzenc, etc

Diazo value

(concentrated)

90% min

PH value

7-9

Solubility

25g/l non-turbid

Moisture

3.0% max

Impurity

0.2% max

Packing             

25kg/bag

Application          

1. It is used as a resisting agent for dyeing and printing to avoid forming striation;

2. as an oxidizing agent for electroplating;

3. as an intermediate for dyestuffs to synthesize other kinds of dyestuffs , etc.