Hot selling industrial grade sodium bisulfite

We company mainly provide you withf such chemicals as Calcium Hypochlorite, Trichloroisocyanuric Acid, Ammonium Bicarbonate, Sodium Hydroxide , Hydrogen Peroxide and Silane etc.

Food Additive is a kind of substance to improve the food color, taste or prolong its preservative time, Normally Food Additives List is well known such as Stabilizer For Food , Emulsifier For Food and flavor enhance etc.

As to Food Preservative , we may have a List Of Food Preservatives, mainly it would point to Chemical Preservatives particularly Chemical Food Preservatives.

Sodium bisulfite is also known as sodium acid sulfite or sodium hydrogen sulfite, NaHS03 is white crystals or crystalline powder that has a slight sulfurous odor and taste. Specific gravity 1.48. Strong irritant to skin and tissue. It is soluble in water, insoluble in alcohol, unstable in air, and non-combustible. Derived by saturating sodium carbonate solution with sulfur dioxide and the solution crystallized. Used as a chemical(sodium salts, cream of tartar), in vat dye preparation, textiles (antichlor, mordant, discharge), food preservative, bleaching groundwood, wool, etc., reducing agent, fermentation, antiseptic, cask sterilization (brewing), copper and brass plating, color preservative for pale crepe rubber, wood pulp digestion, analytical reagent, and as a dietary supplement.

1) Basic information
Product name:  Sodium bisulfite
Alias: Sodium hydrogen sulfite;  Sodium Bisulphite;  Sodium hydrogen sulphite 
CAS No. : 7631-90-5；; 
EINECS: 231-548-0;
Molecular Formula (MF): NaHSO3

Molecular Weight (MW): 104.06

 

2） Physical and chemical properties
Appearance: White solid;
Density: 1.48 g/ml;
Melting Temp.: 150 Celsius degree
Product specification: 98%min. (SO2).
Packing: 25kg or 50kg bag; or as requested.


3) Notice on Safety information: 
IMDG UN No./ Class/P.G:    2693/8/III
Risk Statements: 22/31;
Safety Statements: 25/46;
Toxicity: LD50 orally in Rabbit: 115 g/kg

4) Application:

1. Used as reducing agent, Food Preservatives and bleach.
2. Used for the bleaching of cotton fabric and organic substance. Used as reducing agents in dyes, paper, leather, chemical synthesis and other industries. Used for the production of analgin and aminopyrine intermediates in pharmaceutical industry. Used as bleach, preservatives, and antioxidants of food grade products.
3. Sodium bisulfite is reduction bleach allowed to use in China. It has bleaching effect on food and has a strong inhibitory effect on the oxidase within plant foods. It can be used for candied fruit, glucose, sugar, rock candy, caramel, candy, liquid glucose, dried fruit, dried vegetables, vermicelli, bamboo shoots, mushrooms and mushroom cans in provisions of our country, with a maximum use of 0.45g/kg; it can also be used for potato starch with a maximum use amount of 0.2g/kg and a maximum residual amount (in terms of SO2) of less than 0.03 g/kg.
4. Used as reductants in analysis and also as bleach and bacterial inhibitors
5. Used as reducing agent, antiseptic, disinfectant and bleach.