Sodium Metabisulphite

Sodium metabisulfite is white or yellow crystalline powder or small crystals, with a strong smell of SO2, contact with strong acid is released SO2 and generate the corresponding salts, ,oxidized to Na2S2O6 for a long time in the air.

Get A Quote

Quick Details

CAS No.: 7681-57-4
EINECS No.: 231-673-0
MF: Na2S2O5
Character: White fine crystalline powder, with an odour of SO2
Content: 97.5% min
Place of Origin: Shandong, China (Mainland)
Port of loading: Qindao
Grade Standard: Industrial, Medicine
Packing: 25kg PP bag/ Kraft bag/ 1 ton Jumbo bag/ Carton/ PET bottle
All packing can be customized. Packing Reference
Delivery: Shipped in 14 days after payment


1. Bleaching agent for textile fibres, paper pulps.
2. Colors stripper and dechlorination.
3. Preparation of Indigo Vat Dye.
4. Solubilizing and acidyfing agent for leather industries.
5.Wastewater treatment.