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Sodium Metabisulphite

Name: Sodium Metabisulphite - Amaris Chemical Solutions
Price: 0.85 USD
Availability: InStock

Original price was: $ 0.90.Current price is: $ 0.85.

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Sodium Metabisulphite is a white crystalline powder widely used as an antioxidant, disinfectant, and preservative. It dissolves readily in water, releasing sulfur dioxide, which acts as a powerful antimicrobial and antioxidant agent. This chemical finds broad applications in food processing, water treatment, pharmaceuticals, and industrial manufacturing to prevent spoilage, control microbial growth, and protect equipment from corrosion.

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Description

Table of Contents

Sodium Metabisulphite

Primary Uses

Food Industry
- Preservative in dried fruits, wines, and beverages to prevent oxidation and microbial spoilage.
- Dough conditioner and bleaching agent in baking.
Water Treatment
- Removal of residual chlorine from water supplies.
- Oxygen scavenger in boiler water to reduce corrosion.
Pharmaceuticals
- Antioxidant in pharmaceutical formulations to prolong shelf life.
Photography
- Used as a preservative in photographic developer solutions.
Chemical Industry
- Functions as a reducing agent in various chemical processes.

Secondary Uses

Cosmetics
- Acts as a preservative and antioxidant in certain cosmetic formulations.
Textile Industry
- Employed in bleaching and dyeing processes.
Winemaking
- Used to sanitize equipment and inhibit growth of wild yeast and bacteria.
Food Packaging
- Helps control microbial contamination to maintain product freshness.

PRODUCT KEY FEATURES

Basic Identification Attributes

Chemical Name (IUPAC): Sodium metabisulfite
Common/Trade Name: Sodium Metabisulphite
CAS Number: 7681-57-4
HS Code: 2832.30
Synonyms: Disodium metabisulfite, Sodium pyrosulfite

Physical & Chemical Properties

Physical State: Solid (powder)
Color & Odor: White crystalline powder with sulfurous odor
Solubility: Highly soluble in water
Density: Approx. 1.48 g/cm³

Safety & Hazard Attributes

GHS Classification: Harmful if swallowed; respiratory irritant
Toxicity: Moderate; avoid inhalation and ingestion
Exposure Limits: Follow safety guidelines

Storage & Handling Attributes

Storage Conditions: Store in a cool, dry, ventilated area away from moisture and acids
Container Type: Sealed plastic or paper bags with polyethylene liner
Shelf Life: 1–2 years when stored properly
Handling Precautions: Use gloves, dust mask, eye protection; avoid dust inhalation

Regulatory & Compliance Attributes

Complies with food additive standards (FCC, E224)
Approved by FDA and other regulatory authorities for food and industrial uses
Meets environmental and chemical safety regulations

Environmental & Health Impact

Biodegradability: Readily biodegradable
Ecotoxicity: Harmful to aquatic organisms in high concentrations

Bioaccumulation: Not significant

SAFETY HANDLING PRECAUTIONS

Safety Handling Precautions

PPE Required: Gloves, goggles, dust mask, protective clothing
Handling Guidelines: Use in well-ventilated areas; avoid contact with skin and eyes
Storage Measures: Keep containers tightly closed and stored in a dry environment

First Aid Measures

Inhalation: Move to fresh air; seek medical help if irritation occurs
Skin Contact: Wash thoroughly with water; seek medical advice if irritation persists
Eye Contact: Flush with water for at least 15 minutes; get urgent medical care
Ingestion: Rinse mouth; do not induce vomiting; seek immediate medical attention

Firefighting Measures

Fire Hazards: Non-flammable; emits sulfur dioxide when heated
Extinguishing Media: Water spray, foam, dry chemical, or CO₂
Special Precautions: Use full protective gear and self-contained breathing apparatus
Hazardous Combustion Products: Sulfur oxides (SOx)