Sodium Pyrosulfite Factory Price 96.5% Sodium Metabisulfite Food or Industry Grade CAS 7681-57-4

Sodium Pyrosulfite Factory Price 96.5% Sodium Metabisulfite Food or Industry Grade CAS 7681-57-4
Product Name: Sodium Metabisulfite

CAS No.:  7681-57-4

EINECS No.: 231-673-0

HS Code: 28321090

Appearance: White powder or little yellow powder

Classification: Sulfite

Type: Sodium Sulfite

Other Names:

Sodium pyrosulfite; disodium disulphite; Sodium metabisulphite; Sodium disulphite; Sodium pyrosulphite; SODIUM DISULFITE; disodium oxidosulfanesulfonate oxide; Sodium Metabi; Metabisulfite Sodium;

MF:Na2S2O5

Place of Origin: Huangshi, Hubei, China (Mainland)

Grade Standard: Industrial Grade

Purity: 97% min.

Properties: It has sulfur dioxi taste, acidity and saltiness.

Supplying ability:400,000 Metric Tons per year High Quality Manufacturer Industrial Sodium Metabisulfite

1. Chemical industry

Used in the production of insurance powder, sulfamethazine, a caprolactam, etc., as well as the purification of chlorofor, phenylpropane sulfone and benzaldehyde. The photographic industry is used as an ingredient in fixers. The perfume industry is used to produce vanillin. Used as a preservative for brewing industry, a rubber coagulant and a bleaching agent for cotton bleaching. Organic intermediates, dyes, and tanning are used as reducing agents for electroplating, wastewater treatment in oil fields, and as a mineralizer for mines.
2. industry
It is used in printing and dyeing, organic synthesis, printing, tanning, pharmaceutical and other departments; as a preservative, bleaching agent and loosening agent in food processing.
3. Used as a chemical reagent
(Printing and dyeing, photography, etc.), used as bleach mordant, reducing agent rubber coagulant, also used in organic synthetic pharmaceuticals and spices.