Food Grade Sodium Metabisulfite/ SMBS/ Na2S2O5 CAS 7681-57-4 CAS NO.7681-57-4

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Food Grade Sodium Metabisulfite/ SMBS/ Na2S2O5 CAS 7681-57-4

 

 

Description:
Sodium Metabisulfite, also known as sodium pyrosulfite, is an inorganic compound with the chemical formula Na2S2O5. It is a white, crystalline powder with a sulfurous odor. Sodium Metabisulfite is soluble in water and forms a sulfur dioxide solution when dissolved.

Specification:

• Chemical formula: Na2S2O5
• CAS Number: 7681-57-4
• Molecular weight: 190.11 g/mol
• Appearance: White crystalline powder
• Odor: Sulfurous odor
• Solubility: Soluble in water

Application:

1. Food and Beverage Industry: Sodium Metabisulfite is commonly used as a food preservative and antioxidant in the food and beverage industry. It helps to prevent microbial growth, extend the shelf life of products, and maintain the color and flavor of certain foods.

2. Water Treatment: It is used as a water treatment chemical to remove chlorine and chloramines from water. Sodium Metabisulfite reacts with these disinfectants, neutralizing them and making the water safe for various applications.

3. Photographic Industry: Sodium Metabisulfite is used in photographic developing solutions as a reducing agent to stabilize and prolong the life of the developing agents.

4. Textile Industry: It is used as a bleaching agent and reducing agent in textile processing, helping to remove excess dyes and improve the color fastness of fabrics.

5. Chemical Manufacturing: Sodium Metabisulfite is used as a reducing agent and sulfur source in various chemical reactions, such as in the production of dyes, pharmaceuticals, and other organic compounds.

Features:

1. Oxidizing and Reducing Agent: Sodium Metabisulfite can act as an oxidizing agent, releasing sulfur dioxide, or as a reducing agent, providing sulfur in chemical reactions.

2. Antioxidant and Preservative: It helps to inhibit the growth of microorganisms and prevent oxidation in food and beverage products, extending their shelf life.

3. Water Treatment: Sodium Metabisulfite efficiently removes chlorine and chloramines from water, making it suitable for various applications, including drinking water treatment and industrial processes.

4. Stability: It has good stability and can be stored for extended periods if kept in a cool, dry place and protected from moisture.

5. Versatility: Sodium Metabisulfite finds applications in various industries, including food and beverage, water treatment, photography, textile, and chemical manufacturing.

 

Sodium Metabisulfite

 

Application:

(1) Food Grade: Bleach agent (e.g. candies, cake, bamboo shoots, etc); Loose agent (e.g. bread, cracker etc); Antiseptic and germicide (e.g. fruit juice, tinned food, brews, the cereals food is defended storage etc); Inhibitor and freshen agent (e.g. day lily, seafood, fruit and vegetable etc).
(2) Industry Grade: Mordant of printing and dyeing; Dechlorinate of textile after bleaching; Sulphonated agent and reducer of chemical industry and pharmacy; Bleach of paper pulp, bamboo and timber bleach of Stap; Treatment agent of waste water; Rubber solidifying agent Perfume industry is served as hydro carbon perfume aldehyde .The hide profession employ to do to molt dose and pliable dose and wearproof dose; sewage treatment, and so on.
(3)Medical Grade: It is is an antioxidant additive in inject able medicines and is also used as a reducing agent in pharmaceuticals.

 

Specifications:

Items	Specification
Purity	97%Min
Water Insoluble	0.1%Max
Iron	0.003%Max
PH Value	5

Packaging	1kg-15kg packing	2 PE bag inside + 1 foil bag outside in carton
	25kg-50kg packing	2 PE bag inside + 1 foil bag outside in drum
	Other packing	Customized packing
Drum Size	D38cm*H60cm or customized, 25 kg/ drum
Shipping	1-50kg	International Express	Fast and convenient	Door to Door
	50-500kg	Air Transportation	Fast and cheap	To Air Port
	Above 500kg	Sea Transportation	Cheap and convenient	To Port

 

 

 

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