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
Sodium Sulphite (Blue)
Sodium Sulphite Blue is a white to bluish-white crystalline powder with the chemical formula Na₂SO₃. The “Blue” grade indicates a specific industrial quality often containing minor additives or impurities, used primarily in water treatment and chemical industries. It acts as an effective oxygen scavenger, reducing agent, and preservative. This 25kg packaged product is highly soluble in water, forming alkaline solutions, and is widely used in pulp and paper, water treatment, textile, and photographic industries.
Sodium Sulphite (Blue)
Primary Uses
- Water Treatment
- Oxygen Scavenger: Removes dissolved oxygen from boiler feed water, preventing corrosion in steam and power plants.
- Wastewater Treatment: Neutralizes chlorine and chloramine residuals in drinking water and wastewater.
- Pulp & Paper Industry
- Dechlorination Agent: Removes residual chlorine from bleached pulp.
- Reducing Agent: Used in chemical pulping to protect fibers.
- Textile Industry
- Bleaching Agent: Used for bleaching cotton and wool fibers.
- Dyeing: Acts as an antioxidant in dyeing processes.
- Photographic Industry
- Preservative: Serves as a preservative in photographic developers.
- Chemical Industry
- Sulfur Dioxide Source: Releases SO₂ upon acidification, used in various chemical syntheses.
- Antioxidant: Prevents oxidation in chemical processes.
- Food Industry
- Preservative (E221): Used as a food additive to preserve dried fruits, wine, and other food products by preventing microbial growth and discoloration.
Secondary Uses
- Mining Industry
- Flotation Agent: Used in mineral flotation processes.
- Laboratory & Research
- Reducing Agent: Used in various analytical and synthetic applications.
1. Basic Identification Attributes
- Chemical Name (IUPAC): Sodium sulfite
- Common/Trade Name: Sodium sulphite (Blue grade)
- CAS Number: 7757-83-7
- HS Code: 2831.20.00
- Synonyms: Sodium sulfite, sodium sulphite, blue grade sodium sulphite
2. Physical & Chemical Properties
- Physical State: White to bluish-white crystalline powder
- Color & Odor: Bluish-white; odorless to slight sulfur odor
- Solubility: 22 g/100 mL water at 20°C
- Density: 2.633 g/cm³
- Melting Point: 33 °C (decahydrate) – blue grade typically near anhydrous form melting > 70 °C
- pH (1% solution): Alkaline (approx. 9-10)
- Appearance: Crystalline powder with blue tint
3. Safety & Hazard Attributes
- GHS Classification:
- Skin Irritant (Category 2)
- Eye Irritant (Category 2A)
- Toxicity: LD₅₀ (oral, rat) > 3000 mg/kg
- Exposure Limits: OSHA PEL: 5 mg/m³ (as dust)
- Corrosivity: Non-corrosive but irritating
4. Storage & Handling Attributes
- Storage Conditions: Store in a cool, dry, well-ventilated area, away from moisture and oxidizers
- Container Type: 25kg PE-lined paper bags or plastic drums
- Shelf Life: 12 months if stored properly
- Handling Precautions: Avoid dust inhalation; use protective equipment
5. Regulatory & Compliance Attributes
- REACH Registered
- FDA Approved for food use (E221)
- Complies with OSHA Hazard Communication Standard
- Not classified as hazardous for transport
6. Environmental & Health Impact
- Biodegradability: Inorganic salt; not biodegradable but environmentally safe in normal use
- Ecotoxicity: Low toxicity to aquatic life at typical concentrations
- Bioaccumulation: Not expected
- Aquatic Impact: Excess can lead to oxygen depletion in water bodies
Safety Handling Precautions
- PPE Required: Gloves, dust mask, safety goggles
- Handling Guidelines: Use local exhaust ventilation; avoid dust formation
- Storage Measures: Keep containers tightly closed and dry
First Aid Measures
- Inhalation: Move to fresh air; seek medical attention if symptoms develop
- Skin Contact: Wash with soap and water
- Eye Contact: Rinse thoroughly with water for 15 minutes; seek medical advice if irritation persists
- Ingestion: Rinse mouth; seek medical advice if large amounts ingested
Firefighting Measures
- Fire Hazards: Non-flammable; may emit sulfur oxides when heated
- Extinguishing Media: Use water spray, foam, dry chemical
- Hazardous Combustion Products: Sulfur oxides (SOx)
Related products
Ascorbic Acid
Ascorbic Acid, commonly known as Vitamin C, is a water-soluble vitamin and potent antioxidant essential for collagen synthesis, immune function, and protection against oxidative stress. It is widely used as a nutritional supplement, food preservative, and additive to enhance shelf life and nutritional value. Naturally present in citrus fruits and various vegetables, ascorbic acid is also important in pharmaceutical, cosmetic, and animal feed industries due to its health benefits and preservative qualities.
Blueberry Toppings
Blueberry Toppings are sweet, fruit-based condiment preparations made primarily from blueberries, sugar, and thickening agents. They are characterized by a vibrant blue-purple color, fruity aroma, and a sweet-tart flavor profile. Typically semi-viscous with chunks or pureed pieces of blueberry, these toppings are used as finishing ingredients in desserts, breakfast foods, and beverages. Blueberry toppings may be prepared as preserves, syrups, or glazes and often contain natural flavors and preservatives to enhance shelf life and sensory appeal.
Carnauba Wax Prime Yellow
Carnauba Wax Prime Yellow, also known as Type 1 or Prime Yellow Grade, is the highest quality and purest form of carnauba wax derived from the leaves of the Copernicia cerifera palm tree, native to Brazil. It is a natural, vegetable-based wax prized for its exceptional hardness, high gloss, high melting point, and emulsification properties. Prime Yellow grade represents the finest classification, characterized by its light yellow to pale amber color, low impurities, and superior film-forming characteristics. It is obtained through a meticulous process of harvesting, drying, and processing the palm leaves to extract the waxy coating, which is then refined and graded. Carnauba Wax is often referred to as the "Queen of Waxes" due to its unique combination of properties unmatched by synthetic alternatives. Technical grade Carnauba Wax Prime Yellow is used across numerous industries for its ability to impart gloss, hardness, slip resistance, and moisture barrier properties. It is not intended for direct food consumption but is widely used in food-contact applications such as coatings and packaging.
Ellagic Acid
Ellagic Acid is a naturally occurring polyphenolic compound found in numerous fruits, nuts, and vegetables such as pomegranates, strawberries, raspberries, walnuts, and cranberries. It is a potent antioxidant known for its ability to scavenge free radicals and chelate metal ions. Due to its significant anti-inflammatory, anti-carcinogenic, and anti-viral properties, Ellagic Acid has gained extensive interest in pharmaceutical, nutraceutical, cosmetic, and food industries. It appears as a yellow to light brown crystalline powder, insoluble in water but soluble in organic solvents like ethanol and DMSO.
Propylparaben (Prop BH)
Prop BH, also known as Propylparaben or Propyl 4-Hydroxybenzoate, is an organic compound belonging to the paraben family of preservatives. It appears as colorless small crystals or a white crystalline powder with a characteristic mild odor and a slightly bitter taste. The compound is practically insoluble in cold water but readily soluble in alcohols, ethers, and other organic solvents. Propylparaben is widely recognized for its broad-spectrum antimicrobial activity, particularly effective against molds, yeasts, and bacteria. Propylparaben is manufactured for use as a preservative in various industrial applications and is not intended for direct human consumption without appropriate certification.
Sodium Acetate Trihydrate
Sodium Acetate Trihydrate is a white crystalline solid that is the hydrated form of sodium acetate. It is highly soluble in water and has a mildly alkaline pH in solution. Widely used in chemical, pharmaceutical, food, and textile industries, sodium acetate trihydrate serves as a buffering agent, pH regulator, and preservative. Its ability to stabilize pH and act as a neutralizing agent makes it valuable in various industrial and laboratory applications. Additionally, it is used for heat packs due to its exothermic crystallization properties.
Sodium Benzoate
Sodium Benzoate is the sodium salt of benzoic acid, appearing as a white, crystalline powder that is highly soluble in water. It is widely used as a preservative due to its antimicrobial properties, especially effective against yeast and bacteria in acidic conditions. Sodium Benzoate is commonly employed in the food, beverage, pharmaceutical, and cosmetic industries to extend shelf life and maintain product quality. It meets food-grade and pharmaceutical-grade purity standards, ensuring safety for consumption and topical use.
Vitamin E Acetate Oily
Vitamin E Acetate Oily, also known as DL-Alpha-Tocopheryl Acetate, is a synthetic, oil-soluble form of Vitamin E with high purity and exceptional oxidative stability. This viscous liquid is ideal for applications requiring direct incorporation into oil-based systems such as soft gel capsules, cosmetic formulations, and fortified edible oils. Its stability under processing and storage conditions makes it a preferred form of Vitamin E for nutritional, pharmaceutical, cosmetic, and food-grade applications.
