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Sodium Metabisulfite (Na2S2O5) - White Crystalline Powder Antioxidant Soluble in Water for Food and Industrial Use

Brand Name:	Zorui
MOQ:	500g, 1kg or 25kg for sample, 1000kg for commercial order
Payment Terms:	T/T, LC, OA
Supply Ability:	3000 Tons/month

Detail Information

Product Description

Detail Information

Place of Origin:

Shanxi, China

Certification:

ISO, COA, MSDS, TDS, AAA

Name:

Sodium Pyrosulfite

Alias:

Sodium Metabisulfite

Chemical Formula:

Na2S2O5

Molecular Weight:

190.107

CAS No.:

7681-57-4

EINECS:

231-673-0

Melting Point:

150 ℃ (decomposition)

Water Solubility:

Soluble

Density:

1.48 G/cm³

Appearance:

White Crystalline Powder

Application:

Antioxidant

Sample:

Available

Port:

Tianjin,Shanghai,Qingdao,Other Ports In China

Port:

Tianjin, Shanghai, Qingdao, Other Ports In China

Trade Term:

EXW, DAP, FOB, CFR, CIF, CPT, CIP

Shipping:

Sample By Express, 100kg+ By Air, 1000kg+ By Sea

Packaging Details:

Net Weight 25kg or 200kg/package

Highlight:

Antioxidant Sodium metabisulfite

Water soluble Na2S2O5

White crystalline powder Sodium metabisulfite

Product Description

Sodium Metabisulfite CAS 7681-57-4

Sodium Metabisulfite (Na₂S₂O₅) is an inorganic compound with white or yellow crystals and a strong irritating odor. It is soluble in water, and the aqueous solution is acidic. When it comes into contact with strong acid, it releases sulfur dioxide and generates the corresponding salts.

Key Benefits

Acts as an effective antioxidant
Soluble in water, making it easy to use in various applications
Used in various industrial applications

Target Industries & Applications

Food and beverage, water treatment, photography, and various chemical processes.

Technical Specifications

Name	Sodium pyrosulfite
Alias	Sodium metabisulfite
Chemical formula	Na₂S₂O₅
Molecular weight	190.107
CAS No.	7681-57-4
EINECS	231-673-0
Melting point	150 ℃ (decomposition)
Water solubility	Soluble
Density	1.48 g/cm³
Appearance	White crystalline powder
Application	Antioxidant

Product Overview

Sodium Metabisulfite (Na₂S₂O₅) is an inorganic compound widely used as a preservative, antioxidant, and reducing agent. It appears as a white crystalline powder and is highly soluble in water. Sodium Metabisulfite is commonly utilized in food processing, pharmaceuticals, and various industrial applications.

Physical and Chemical Specifications

Common Name	Sodium Metabisulfite
Chemical Formula	Na₂S₂O₅
CAS Number	7681-57-4
Appearance	White crystalline powder
Molecular Weight	222.24 g/mol
Solubility	Soluble in water
Melting Point	Decomposes at 150 °C

Product Functions

Preservative: Inhibits the growth of bacteria, molds, and yeasts in food and beverages, helping to extend shelf life
Antioxidant: Protects food products from oxidative damage, preserving color and flavor
Reducing Agent: Used in various chemical processes to reduce other compounds and facilitate reactions
Dechlorinating Agent: Effective in removing chlorine from water, making it suitable for wastewater treatment

Application Areas

Food Industry: Commonly used in wine-making, dried fruits, and processed foods to maintain freshness and prevent spoilage
Pharmaceuticals: Utilized as an antioxidant in formulations and as a stabilizer in certain medications
Water Treatment: Employed to dechlorinate municipal and industrial wastewater
Chemical Manufacturing: Used in various reactions and syntheses within the chemical industry

Manufacturing Process

Synthesis: Sodium Metabisulfite is typically produced by heating a solution of sodium bisulfite to remove water and form the metabisulfite compound
Purification: The resulting product undergoes purification processes to achieve the desired concentration and quality
Quality Control: Each batch is rigorously tested for purity, solubility, and compliance with industry standards

Why Choose Us?

High Quality: Our Sodium Metabisulfite is sourced from reputable manufacturers and produced under stringent quality control measures
Versatile Applications: Suitable for various industries including food, pharmaceuticals, water treatment, and chemical manufacturing
Expert Support: Our knowledgeable team provides technical assistance and formulation guidance tailored to your specific needs
Sustainability Commitment: Focused on environmentally responsible sourcing and manufacturing practices

Frequently Asked Questions

Q1: What is Sodium Metabisulfite?

A1: Sodium Metabisulfite is an inorganic compound used primarily as a preservative, antioxidant, and reducing agent.

Q2: What are the benefits of using Sodium Metabisulfite?

A2: It effectively preserves food, protects against oxidation, acts as a reducing agent, and removes chlorine from water.

Q3: Where is Sodium Metabisulfite commonly used?

A3: Common applications include the food industry, pharmaceuticals, water treatment, and chemical manufacturing.

Q4: Is Sodium Metabisulfite safe for use in food applications?

A4: Yes, it is considered safe when used according to regulatory guidelines, although some individuals may have sensitivities.

Q5: What are the recommended storage conditions for Sodium Metabisulfite?

A5: Store in a cool, dry place, away from moisture and incompatible materials to maintain product quality.

Tags:

Food Ingredients

Food Starches

Food Safe Emulsifiers

Amino Acids Powder

Sweeteners

Nutritional Supplements Powder

Flavour Additives

Food Preservatives

Food Thickeners

Food Phosphates

Vitamins Powder

Antioxidant Agent

Acidulants

Leavening Agents

Plant Extracts

Proteins and Enzymes

Anti Caking Agents

Industrial Chemicals

EDTA Chelating Agent

Polymer Powder

Catalyst Powder

Plasticizer Powder

Chemical Solvent

Surfactant Chemicals

Water Treatment Chemicals

Oil Drilling Chemicals

Flame Retardant Agent

Rubber Agent

Adhesives And Sealants

Coating Chemicals

Reducing Agents

Rust And Corrosion Inhibitors

Lubricating Agents

Flotation Agents

Resin Powder

Other Industrial Chemicals

Cosmetic Raw Materials

Feed Additives

Amino Acid Feed

Vitamin Feed

Other Feed Additives

Fertilizer Powder

Health Care Powder