Other Names: sodium pyrosulfite/ sodium disulfite

MF: Na2S2O5

EINECS No.: 231-673-0

Place of Origin:Shandong,China(mainland)

Grade Standard: Food Grade,Industrial Grade

Purity: 96.5%

Appearance: white or slight yellow crystalline form powder or small crystal

 Molecular Weight: 190.09

PH: 4.0-4.6

Prohibited Substance: strong acid, strong oxidant
Application:

1. Pharmaceutical industry: for the production of chloroform, sulfetrone and benzaldehyde

2. Rubber industry: as curing agent

3. Printing and dyeing industry: for cotton fabric bleach dechlorinating agent and cotton scouring agent

4. Leather industry: for leather processing, making the leather soft, full, tensile to have the properties of water proof, flexural strength, wear resistance.

5. Chemical industry: for the production of hydroxycitronellal, hydroxylamine hydrochloride

6. Food industry: as the bleaching agent, preservative, leavening agent, antioxidant ect.

7. Washing plant: as the reactant for the reaction of fabric such as jeans with potassium permanganate to generate white effect