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

• Powder: Yes
• Customized: Customized
• Certification: GMP, ISO 9001, USP
• Suitable for: Elderly, Adult
• State: Solid
• Purity: >96%
• Model NO.: AR78
• Transport Package: as Required
• Specification: 25kg/Drum, DRUM, Aluminum Foil Bag
• Trademark: ALLRIGHT G. C.
• Origin: Shandong
• Production Capacity: 100000 Kilogram/Kilograms Per Month

Product Description

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.

Component	Industrial Grade	Food Grade	Medicine Grade
Appearance	White or yellowish crystalline powder
Assay(Na2S2O5 )	96.5%min	97%min	98%min
water insoluble matter	0.05%max	0.03%max	0.02%max
Iron content(Fe)	0.005%max	0.003%max	0.002%max
Arsenic content(As)	0.0001%max	0.0001%max	0.0001%max
Pb	0.0005%max	0.0005%max	0.0003%max