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Sodium Metabisulfite Safety For Cotton Bleaching Antichlor, Sodium Meta Bi Sulphite

Categories Sodium Pyrosulfite
Brand Name: OEM
Model Number: sodium pyrosulfite-c3
Certification: SGS,ISO 9001
Place of Origin: Hunan
MOQ: 1 metric ton
Price: usd 300 per metric ton
Payment Terms: T/T , L/C
Supply Ability: 3000 tons per month
Delivery Time: 5-8 days
Packaging Details: 25 kgs bag,1000 kgs big bag
name: sodium pyrosulfite antichlor in cotton bleaching
other name: sodium metabisulfite antichlor in cotton bleaching
hs code: 28321000
loading: 27 tons per container
usage: cotton bleaching antichlor
packing: 25 kgs plastic woven bag/1000 kgs jumbo bag
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Sodium Metabisulfite Safety For Cotton Bleaching Antichlor, Sodium Meta Bi Sulphite

Sodium metabisulfite/Sodium Pyrosulfite tech grade

Usage of make sodium metabisulfite :

Sodium metabisulfite Food: preservative, bleach, loosening agent.

Sodium metabisulfite Industrial: It used in dyeing and printing industry, organic synthesis, printing, leather, pharmaceutical and other sectors.

Sodium metabisulfite Storage:kept in a light-proof,well-colsed,dry and cool place.


Specification of make sodium metabisulfite :


ItemQuality Index
Food GradeIndustry Grade
Purity ( As Na2S2O5)98.0% min96.0% min
Sulfur Dioxide( SO2)65.0% min65.0% min
Arsenic ( As )0.0002% max-
Heavy metals ( As Pb )0.0005% max-
Selenium (Se )0.0005% max-
Iron (Fe)0.001% max0.002% max
Water insoluble0.02% max0.05% max
PH value :4.0-4.84.0-4.8
Remark :Conformed with FCC V and E 223 Standard

Uses

Food additive

It is used as a preservative and antioxidant in food and is also known as E223.[4]
It may cause allergic reactions in those who are sensitive to sulfites, including respiratory reactions in asthmatics, anaphylaxis and other allergic reactions in sensitive individuals.[5][6]
Sodium metabisulfite and potassium metabisulfite are the primary ingredients in Campden tablets, used for wine and beer making.[7]
The acceptable daily intake is up to 0.7 milligrams per kilogram of body weight.[8] Sodium metabisulfite oxidizes in the liver to sulfate which is excreted in the urine.[8]
Sodium metabisulfite or sodium pyrosulfite (IUPAC spelling; Br. E. sodium metabisulphite or sodium pyrosulphite) is an inorganic compound of chemical formula Na2S2O5. The substance is sometimes referred to as disodium metabisulfite. It is used as a disinfectant, antioxidant and preservativeagent.

Chemical structure


The anion metabisulfite is a hybrid of dithionite (S2O42−) and dithionate (S2O62−). The anion consists of an SO2 group linked to an SO3 group, with the negative charge more localized on the SO3 end. The S–S bond length is 2.22 Å, and the "thionate" and "thionite" S–O distances are 1.46 and 1.50 Å respectively.[3]

SODIUM METABISULFITE is a white crystalline or powder solid with a slight sulfur odor. Toxic by inhalation . Strongly irritates skin and tissue. Noncombustible, but may decompose to emit toxic oxide fumes of sulfur and sodium when heated to high temperature. A corrosive acid when mixed with water. Used as a food preservative and as a laboratory reagent.

Sanitization and cleaning agent

It is commonly used in homebrewing and winemaking to sanitize equipment. It is used as a cleaning agent for potable water reverse osmosis membranes indesalination systems. It is also used to remove chloramine from drinking water after treatment.

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