Preservatives(food)
Flavor Enhancers
Acidulants
Sweeteners
Antioxidants
Colorants(food)
Nutraceutical Ingredients (food)
Nutrient Supplements
Emulsifiers
Collectors
Dust Suppressants
Explosives and Blasting Agents
Flocculants and Coagulants
Frothers
Leaching Agents
pH Modifiers
Precious Metal Extraction Agents
Antioxidants(plastic)
Colorants (Pigments, Dyes)
Fillers and Reinforcements
Flame Retardants
Monomers
Plasticizers
Polymerization Initiators
Stabilizers (UV, Heat)
Antifoaming Agents
Chelating Agents
Coagulants and Flocculants
Corrosion Inhibitors
Disinfectants and Biocides
Oxidizing Agents
pH Adjusters
Scale Inhibitors( water)
Antioxidants(cosmetic)
Emollients
Fragrances and Essential Oils
Humectants
Preservatives
Surfactants(cosmetic)
Thickeners
UV Filters
Fertilizers
Soil Conditioners
Plant Growth Regulators
Animal Feed Additives
Biostimulants
Pesticides (Herbicides, Insecticides, Fungicides)
Active Pharmaceutical Ingredients (APIs)
Excipients
Solvents(pharmaceutical)
Antibiotics
Antiseptics and Disinfectants
Vaccine Adjuvants
Nutraceutical Ingredients (pharmaceutical)
Analgesics & Antipyretics
Analytical Reagents
Solvents(lab)
Chromatography Chemicals
Spectroscopy Reagents
microbiology-and-cell-culture-reagents
Molecular Biology Reagents
Biochemical Reagents
Inorganic and Organic Standards
Laboratory Safety Chemicals
Specialty Laboratory Chemicals(Special Laboratory Equipment)
Demulsifiers
Hydraulic Fracturing Fluids
Scale Inhibitors(oil)
Surfactants(oil)
Drilling Fluids
Dyes and Pigments
Bleaching Agents
Softening Agents
Finishing Agents
Antistatic Agents
Admixtures
Waterproofing Agents
Sealants and Adhesives
Curing Compounds
Concrete Repair Chemicals
Anti-Corrosion Coatings
Surfactants(cleaning)
Builders
Enzymes
Solvents (Cleaning)
Fragrances
Electronic Chemicals
Catalysts
Lubricants
Photographic Chemicals
Refrigerants
Automotive chemicals
Pyrotechnic Chemicals
Biodegradable Surfactants
Bio-based Solvents
Renewable Polymers
Carbon Capture Chemicals
Wastewater Treatment Chemicals
Pigments
Solvents(paint)
Specialty Coatings
Binders/Resins
Additives
Driers
Anti-Corrosion Agents
Functional Coatings
Application-Specific Coatings
Fresh Herbs
Ground Spices
Whole Spices
Spice Blends
Dried Herbs
Leavening Agents
Dough Conditioners
Flour Treatments
Fat Replacers
Decoratives
Preservatives(baking)
Plasticizers & Softeners
Reinforcing Agents
Adhesion Promoters
Vulcanizing Agents
Antidegradants
Blowing Agents
Fillers & Extenders
Accelerators & Retarders
Potassium Metabisulphite Food Grade
Whatsapp Order
Potassium Metabisulphite (Food Grade) is a white crystalline powder with strong antioxidant and preservative properties. It is widely used in the food and beverage industry as a disinfectant, antioxidant, and preservative to prevent spoilage and microbial growth. It also acts as a bleaching agent and sulfur dioxide (SO₂) source. This compound is critical in winemaking, brewing, and food processing to maintain product quality and extend shelf life.
Description
Primary Uses
Food and Beverage Industry
- Used as a preservative and antioxidant in wine, beer, fruit juices, and soft drinks to prevent oxidation and microbial contamination.
- Acts as a sanitizer and disinfectant for equipment and surfaces in food processing facilities.
- Employed in dried fruits and vegetables to preserve color and prevent enzymatic browning.
- Used in baking powder as a dough conditioner and to control yeast growth.
Winemaking and Brewing
- Serves as a sterilizing agent to inhibit wild yeast and bacteria during fermentation and storage.
- Prevents oxidation and spoilage in wine and beer production, maintaining flavor and aroma integrity.
Secondary Uses
Pharmaceuticals
- Used as a reducing agent and preservative in certain pharmaceutical formulations.
Water Treatment
- Applied to remove excess chlorine and disinfect water in small-scale water treatment.
Cosmetics
- Utilized in low concentrations as an antioxidant and preservative in cosmetic products.
Chemical Industry
- Used as a sulfur dioxide donor in chemical synthesis and as a bleaching agent.
PRODUCT KEY FEATURES
Basic Identification Attributes
- Chemical Name (IUPAC): Potassium metabisulphite
- Common/Trade Name: Potassium Metabisulphite Food Grade
- CAS Number: 16731-55-8
- HS Code: 2833.29
- Synonyms: Potassium pyrosulfite; E224; dipotassium disulfite
Physical & Chemical Properties
- Physical State: White crystalline powder
- Color & Odor: White; sulfur dioxide odor when dissolved
- Solubility: Soluble in water, releasing SO₂ gas
- Melting Point: Decomposes at approximately 150°C
- Density: ~2.19 g/cm³
- Stability: Stable when dry; releases SO₂ on contact with moisture
Safety & Hazard Attributes
- GHS Classification: Harmful if swallowed; respiratory irritant; may cause allergic reactions
- Toxicity: Moderate; avoid inhalation and ingestion
- Exposure Limits: Follow occupational exposure limits; use respiratory protection if necessary
Storage & Handling Attributes
- Storage Conditions: Store in a cool, dry, well-ventilated area, away from moisture and acids
- Container Type: Sealed plastic or metal containers
- Shelf Life: Typically 1–2 years if stored properly
- Handling Precautions: Use gloves, masks, and eye protection; avoid dust inhalation
Regulatory & Compliance Attributes
- Approved as a food additive (E224) by FDA, EFSA, and other regulatory bodies
- Complies with food safety and quality standards
Environmental & Health Impact
- Biodegradability: Breaks down to sulfur compounds; environmentally degradable
- Ecotoxicity: Toxic to aquatic life at high concentrations
- Bioaccumulation: Not significant
SAFETY HANDLING PRECAUTIONS
Safety Handling Precautions
- PPE Required: Gloves, goggles, and dust mask recommended
- Handling Guidelines: Avoid inhalation of dust and contact with skin or eyes
- Storage Measures: Keep containers tightly closed and dry
First Aid Measures
- Inhalation: Move to fresh air; seek medical attention if respiratory irritation persists
- Skin Contact: Wash with plenty of water; seek medical help if irritation develops
- Eye Contact: Rinse with water for at least 15 minutes; seek immediate medical attention
- Ingestion: Rinse mouth; do not induce vomiting; seek urgent medical assistance
Firefighting Measures
- Fire Hazards: Non-flammable but releases toxic sulfur dioxide gas when heated
- Extinguishing Media: Use water spray, foam, or dry chemical extinguishers
- Special Precautions: Firefighters must wear protective gear and self-contained breathing apparatus
- Hazardous Combustion Products: Sulfur oxides (SOx)
Related products
Polydextrose
Polydextrose is a synthetic, highly branched polymer of glucose used primarily as a soluble dietary fiber, bulking agent, and low-calorie sweetener. It is produced through the polycondensation of dextrose with sorbitol and citric acid. Polydextrose offers numerous health and functional benefits, such as improving texture, replacing sugar or fat, and supporting digestive health. It is extensively used in food, beverages, pharmaceuticals, and nutraceuticals for its fiber enrichment properties and technological versatility.
Polysorbates
Polysorbates are a class of nonionic surfactants derived from sorbitol and fatty acids, commonly used as emulsifiers, solubilizers, and dispersing agents in a wide range of industries. They improve the mixing of oil and water phases, stabilize emulsions, and enhance the texture and consistency of formulations. Polysorbates are widely used in pharmaceuticals, cosmetics, food products, and industrial applications due to their biocompatibility, low toxicity, and effectiveness at low concentrations.
Potassium Citrate
Potassium Citrate is a potassium salt of citric acid, appearing as a white, crystalline, water-soluble powder. It is widely used in food, pharmaceutical, agricultural, and industrial applications due to its buffering, alkalizing, and sequestrant properties. Potassium Citrate helps regulate acidity and provides potassium ions critical for various biochemical and physiological functions.
Potassium Lactate
Potassium Lactate is the potassium salt of lactic acid, typically available as a clear, colorless to pale yellow liquid or solid powder. It functions primarily as a food additive, humectant, and preservative with antimicrobial properties. Widely used in the food industry, it also finds applications in pharmaceuticals, cosmetics, and industrial processes. Potassium Lactate helps improve moisture retention, extend shelf life, and enhance safety by inhibiting microbial growth.
Potassium Sorbate FCC
Potassium Sorbate FCC (Food Chemical Codex) is the potassium salt of sorbic acid, a white crystalline powder widely used as a food preservative. It effectively inhibits the growth of molds, yeasts, and some bacteria, thus extending the shelf life of various food and beverage products. Known for its low toxicity and minimal impact on flavor, Potassium Sorbate is a preferred preservative in food, cosmetics, and pharmaceutical industries.
Povidone Iodine BP
Povidone Iodine BP is a water-soluble complex of iodine with the synthetic polymer polyvinylpyrrolidone (PVP). It acts as a broad-spectrum antiseptic effective against bacteria, fungi, viruses, and protozoa. Widely used in medical, pharmaceutical, and veterinary fields, Povidone Iodine provides sustained iodine release, minimizing irritation while offering rapid antimicrobial action. It is essential for wound care, surgical preparation, and infection control.
Powdered Vitamin A Palmitate
Powdered Vitamin A Palmitate is a stable, fat-soluble ester of vitamin A widely used as a dietary supplement and food fortification ingredient. It is an essential nutrient important for vision, immune function, skin health, and cellular growth. The powdered form offers ease of handling and incorporation into various food, pharmaceutical, and cosmetic products due to its stability and bioavailability.
Shellac
Shellac is a natural resin secreted by the lac insect, primarily found in South Asia. It is processed into flakes or powder form and dissolved in alcohol to create a versatile film-forming agent. Shellac provides excellent adhesion, gloss, and moisture resistance, making it widely used as a wood finish, food glaze, and pharmaceutical coating. It is valued for its natural origin, biodegradability, and safe use in food and cosmetic applications.
