Potassium Metabisulphite Food Grade
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.
Potassium Metabisulphite Food Grade
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.
1. 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
2. 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
3. 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
4. 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
5. Regulatory & Compliance Attributes
- Approved as a food additive (E224) by FDA, EFSA, and other regulatory bodies
- Complies with food safety and quality standards
6. 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
- 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
Argan Oil
Argan Oil is a nutrient-rich natural oil derived from the kernels of the Argan tree (Argania spinosa), native to Morocco. Extracted through cold pressing, it is golden-yellow in color and has a mildly nutty aroma. Renowned for its high content of essential fatty acids (oleic and linoleic acid), vitamin E (tocopherol), polyphenols, and antioxidants, Argan Oil is widely used in cosmetic, personal care, pharmaceutical, and nutraceutical formulations.
This oil is a potent emollient, moisturizer, and skin rejuvenator, making it highly effective in skincare and hair care products. Argan Oil also offers anti-inflammatory and wound-healing properties and is commonly used in anti-aging formulations. Its light texture and quick absorption make it ideal for both leave-on and rinse-off applications. Additionally, edible-grade Argan Oil is used in culinary preparations, contributing both flavor and nutritional benefits.
Bitter Masking Pharmaceutical Liquid flavors
Bitter Masking Pharmaceutical Liquid Flavors are specially formulated liquid flavors designed to mask the bitter taste of active pharmaceutical ingredients (APIs). These flavors improve the palatability of oral syrups, suspensions, and liquid medications, enhancing patient compliance. Compatible with various pharmaceutical formulations, they exhibit excellent solubility and stability in aqueous systems and provide a pleasant taste profile without affecting the efficacy of the medication.
Cetyl Alcohol Flakes
Cetyl Alcohol Flakes is a high-purity fatty alcohol derived mainly from natural sources such as palm oil and coconut oil. Presented as white to off-white waxy flakes, this product contains at least 98% pure cetyl alcohol, ensuring consistent performance and quality. It is valued for its excellent emollient, thickening, and emulsifying properties and is widely used in personal care, pharmaceutical, and industrial formulations. The flake form facilitates easy handling, melting, and dosing in manufacturing processes. Cetyl Alcohol 98% Flakes contributes to the texture, stability, and moisturizing properties of various formulations, providing a non-greasy, smooth finish.
Cross Carmellose Sodium BP
Cross Carmellose Sodium BP (also known as Croscarmellose Sodium or CCS) is a cross-linked sodium carboxymethyl cellulose polymer. It is a highly efficient, super-disintegrant commonly used in pharmaceutical tablet and capsule formulations. This white to off-white, odorless, and tasteless powder exhibits excellent swelling properties and rapid water uptake, which facilitates fast tablet disintegration and improves drug bioavailability. It is chemically stable, non-toxic, and compatible with a wide range of active pharmaceutical ingredients (APIs).
Lactose Monohydrate 200 Mesh
Lactose Monohydrate 200 Mesh is a fine, white, crystalline powder derived from milk sugar with a particle size of 200 mesh, indicating very fine granules. It is widely used in pharmaceutical, food, and confectionery industries as a filler, binder, and stabilizer. Lactose Monohydrate is valued for its excellent compressibility, low hygroscopicity, and compatibility with many active pharmaceutical ingredients (APIs). The monohydrate form contains one molecule of water, enhancing its stability and flow properties.
Magnesium Stearate BP
Magnesium Stearate BP is a fine, white, hydrophobic powder composed of the magnesium salt of stearic acid. It is widely used in the pharmaceutical industry as a lubricant and anti-adherent in tablet and capsule manufacturing. Due to its excellent flow-enhancing properties, Magnesium Stearate BP improves powder flowability and prevents ingredients from sticking to equipment during processing. It is also used in cosmetics, food, and various industrial applications for its emulsifying and stabilizing properties.
Methyl Cellulose 400mpc
Methyl Cellulose 400mpc is a chemically modified cellulose derivative in powder form. It is a non-ionic, water-soluble polymer widely used as a thickener, binder, emulsifier, and film former. It exhibits excellent water retention, viscosity control, and thermal gelation properties, making it ideal for applications in construction, pharmaceuticals, food, and cosmetics.
Polyethyl Glycol( PEG 6000)
Polyethyl Glycol( PEG 6000) is a high-molecular-weight polymer derived from ethylene oxide. It appears as a white, waxy solid or flake and is non-toxic, water-soluble, and chemically stable. PEG 6000 is widely used in pharmaceuticals, cosmetics, food processing, industrial formulations, and biotechnology, valued for its lubricating, solubilizing, binding, and moisturizing properties. It is odorless and tasteless, making it suitable for sensitive formulations.

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
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