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Sodium Citrate
Sodium Citrate is the sodium salt of citric acid, available as a white, crystalline powder or granules. It functions primarily as a buffering agent, acidity regulator, and sequestrant in food, pharmaceutical, and industrial applications. It helps maintain pH stability, enhances flavor, and prevents metal ion-induced spoilage. The 25kg packaging is typical for bulk industrial or food processing use.
Sodium Citrate
Primary Uses
- Food & Beverage Industry
- Acts as a buffering agent to maintain stable pH in beverages, dairy products, and processed foods.
- Functions as a sequestrant to bind metal ions, preventing oxidation and spoilage.
- Used as a flavoring agent to impart a mild tartness in soft drinks, jams, and confections.
- Serves as an emulsifier in processed cheese and dairy products for smooth texture.
- Pharmaceuticals
- Used as an alkalizing agent in oral and injectable formulations.
- Included in effervescent tablets and powders for controlled acidity.
- Acts as an anticoagulant in blood collection tubes by chelating calcium ions.
- Cosmetics and Personal Care
- Functions as a pH adjuster and chelating agent in skincare and haircare products.
Secondary Uses
- Industrial Applications
- Used in detergents and cleaning agents as a water softener and pH buffer.
- Employed in photographic processing as a buffering agent.
- Laboratory & Analytical
- Utilized as a buffering agent in biochemical assays and molecular biology protocols.
1. Basic Identification Attributes
- Chemical Name (IUPAC): Trisodium 2-hydroxypropane-1,2,3-tricarboxylate
- Common/Trade Name: Sodium Citrate
- CAS Number: 68-04-2
- HS Code: 2918.14
- Synonyms: Trisodium citrate, Sodium citrate tribasic
2. Physical & Chemical Properties
- Physical State: Powder or granules
- Color & Odor: White, odorless
- Solubility: Highly soluble in water
- pH: Approximately 8.3 (1% aqueous solution)
- Density: ~1.676 g/cm³
3. Safety & Hazard Attributes
- GHS Classification: Generally regarded as safe; minimal hazard
- Toxicity: Low toxicity; safe in intended applications
- Exposure Limits: No established occupational exposure limits
4. Storage & Handling Attributes
- Storage Conditions: Store in a cool, dry place in tightly sealed containers away from moisture
- Container Type: Supplied in sealed 25kg bags or drums
- Shelf Life: Typically 2–3 years if stored properly
- Handling Precautions: Avoid dust generation; use dust masks if needed
5. Regulatory & Compliance Attributes
- Complies with food-grade standards (e.g., FCC, USP, E331)
- Approved for use by FDA, EFSA, and other international food safety authorities
- Manufactured in GMP-certified facilities
6. Environmental & Health Impact
- Biodegradability: Readily biodegradable
- Ecotoxicity: Low environmental toxicity
- Bioaccumulation: Not significant
Safety Handling Precautions
- PPE Required: Gloves, goggles, and dust mask recommended during handling
- Handling Guidelines: Avoid inhalation of dust; work in well-ventilated areas
- Storage Measures: Keep containers tightly closed and stored in a dry environment
First Aid Measures
- Inhalation: Move to fresh air; seek medical attention if irritation occurs
- Skin Contact: Wash with soap and water; seek medical advice if irritation develops
- Eye Contact: Rinse thoroughly with water for 15 minutes; seek medical help if irritation persists
- Ingestion: Rinse mouth; seek medical attention if large amounts ingested
Firefighting Measures
- Fire Hazards: Non-flammable
- Extinguishing Media: Water spray, foam, dry chemical, or CO₂
- Special Precautions: Use standard firefighting procedures
- Hazardous Combustion Products: None known
Related products
Beta Carotene
Beta Carotene is a concentrated formulation of beta carotene, a naturally occurring red-orange pigment found in plants and fruits. It is a precursor to vitamin A and a potent antioxidant that helps protect cells from oxidative damage. This product, typically suspended in an oil base or suitable carrier, is widely used as a natural colorant, nutritional supplement, and cosmetic ingredient. Beta Carotene 30% SUN offers enhanced stability under sunlight exposure, making it ideal for food, feed, and cosmetic applications where light stability is critical.
Calcium Gluconate
Calcium Gluconate is a calcium salt of gluconic acid appearing as a white, odorless, crystalline powder or colorless crystals. It is highly soluble in water and commonly used as a calcium supplement in pharmaceuticals and food products. Calcium Gluconate plays a critical role in medicine for treating calcium deficiencies, hypocalcemia, and as an antidote for hydrofluoric acid burns. Its excellent bioavailability makes it a preferred calcium source in oral and intravenous formulations. Additionally, it is utilized in food fortification and cosmetic applications due to its safety and compatibility.
Calcium Lactate Pentahydrate
Calcium Lactate Pentahydrate is a white, crystalline, odorless powder that is the calcium salt of lactic acid with five molecules of water of crystallization. It is moderately soluble in water and has a slightly alkaline pH in solution. Widely used as a calcium supplement in the pharmaceutical and food industries, it is known for its good bioavailability and safety profile. Calcium Lactate Pentahydrate is utilized to prevent and treat calcium deficiencies and plays a role in bone health, muscle function, and enzyme activity. It also finds applications as a food additive and firming agent.
Dipotassium Hydrogen Phosphate
Dipotassium Hydrogen Phosphate (also known as dipotassium phosphate, DKP) is an inorganic salt used widely as a buffering agent, emulsifier, and nutritional supplement in various industries. It is a white, crystalline, highly water-soluble powder with alkaline properties. DKP plays a vital role in food processing, pharmaceuticals, water treatment, and agriculture due to its ability to stabilize pH, improve texture, and supply essential potassium and phosphate ions.
Ferric Ammonium Citrate
Ferric Ammonium Citrate is a dark green to black crystalline or granular inorganic compound composed of iron, ammonium ions, and citrate ions. It is a complex salt of citric acid with ferric iron (Fe³⁺) and ammonium. This compound is highly soluble in water, forming a greenish solution, and is widely utilized as a source of iron in various chemical, pharmaceutical, photographic, and food applications. It acts as a mild oxidizing agent and an iron supplement, valued for its bioavailability and ease of incorporation into formulations. Ferric Ammonium Citrate is typically available in different formulations distinguished by their water and ammonium content, such as green and brown types.
Ferrous Sulphate Heptahydrate
Ferrous Sulphate Heptahydrate, also known as iron(II) sulfate heptahydrate, is a pale green crystalline solid containing seven molecules of water of crystallization (FeSO₄·7H₂O). It is a widely used inorganic iron compound characterized by its high iron content (approximately 20% Fe) and good solubility in water. This hydrated salt is commonly used in agriculture, pharmaceuticals, water treatment, and various industrial processes. The heptahydrate form is preferred for many applications due to its stability, ease of handling, and cost-effectiveness.
Magnesium Oxide
Magnesium Oxide (MgO) is a white, odorless, alkaline earth metal oxide powder. It is produced by calcining magnesium carbonate or hydroxide at high temperatures, resulting in a fine, white powder with a high melting point. Magnesium Oxide is widely used for its refractory properties, chemical stability, and ability to neutralize acids. It serves important roles in pharmaceuticals, agriculture, environmental applications, and various industrial processes.
Manganese Sulphate Monohydrate
Manganese Sulphate Monohydrate is an inorganic chemical compound with the formula MnSO₄·H₂O. It appears as a pale pink crystalline powder and is highly soluble in water. It is primarily used as a source of manganese, an essential micronutrient, in fertilizers, animal feed, and industrial processes. This monohydrate form is the most stable and commonly used in agriculture and feed-grade applications. It also finds use in various chemical syntheses, electroplating, and as a reagent in laboratories.
