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Sodium Dihydrogen Phosphate
Sodium Dihydrogen Phosphate (NaH₂PO₄) is a white crystalline powder or granule, highly soluble in water. It is widely used as a buffering agent, emulsifier, and pH adjuster in various industrial, food, pharmaceutical, and laboratory applications. It acts as a source of phosphate ions and helps maintain the stability and consistency of formulations. This chemical is commonly utilized in food processing, water treatment, detergents, and as a reagent in chemical synthesis.
Sodium Dihydrogen Phosphate
Primary Uses
- Food Industry
- Used as an acidity regulator and emulsifier in processed foods, cheeses, and bakery products.
- Acts as a leavening agent component in baking powders.
- Serves as a sequestrant and stabilizer to improve texture and shelf life.
- Pharmaceuticals
- Utilized as a buffering agent in intravenous saline solutions and oral rehydration salts.
- Ingredient in laxatives and phosphate supplements.
- Helps maintain pH in pharmaceutical formulations and tablet coatings.
- Water Treatment
- Employed to control pH and prevent scale formation in water systems.
- Used in wastewater treatment processes to remove heavy metals.
- Industrial Applications
- Functions as a dispersing agent and corrosion inhibitor in metal finishing and detergents.
- Acts as a buffering agent in textile and dyeing industries.
- Laboratory & Chemical Synthesis
- Used as a reagent and buffer in analytical chemistry and molecular biology protocols.
- Facilitates phosphate-buffered saline (PBS) preparation.
Secondary Uses
- Agriculture
- Occasionally used in fertilizer formulations to supply phosphorus nutrients.
- Cosmetics and Personal Care
- Employed in formulations as a pH adjuster and stabilizer in creams and lotions.
1. Basic Identification Attributes
- Chemical Name (IUPAC): Sodium dihydrogen phosphate
- Common/Trade Name: Sodium Dihydrogen Phosphate, Monobasic Sodium Phosphate
- CAS Number: 7558-80-7
- HS Code: 2835.29
- Synonyms: Monosodium phosphate, Sodium phosphate monobasic
2. Physical & Chemical Properties
- Physical State: Solid (powder or granules)
- Color & Odor: White; odorless
- Solubility: Highly soluble in water
- Density: Approx. 2.35 g/cm³
- pH (1% aqueous solution): ~4.5
3. Safety & Hazard Attributes
- GHS Classification: Generally considered non-hazardous; mild irritant to eyes and skin
- Toxicity: Low toxicity; safe for use in food-grade and pharmaceutical-grade applications
- Exposure Limits: Follow standard occupational exposure limits; avoid dust inhalation
4. Storage & Handling Attributes
- Storage Conditions: Store in a cool, dry, well-ventilated area, away from moisture and incompatible materials
- Container Type: Supplied in sealed plastic bags or drums
- Shelf Life: Stable under proper storage conditions for several years
- Handling Precautions: Avoid inhalation of dust; use protective equipment to prevent eye and skin contact
- Storage Measures: Keep containers tightly closed and stored in a dry environment
5. Regulatory & Compliance Attributes
- Complies with food-grade (FCC), pharmaceutical-grade (USP), and reagent-grade standards
- Approved by FDA, EFSA, and other international food and drug safety authorities
- Manufactured according to GMP guidelines
6. Environmental & Health Impact
- Biodegradability: Readily biodegradable
- Ecotoxicity: Low toxicity to aquatic life in typical use concentrations
- Bioaccumulation: Not expected to bioaccumulate
Safety Handling Precautions
- PPE Required: Protective gloves, safety goggles, and dust mask recommended during handling
- Handling Guidelines: Avoid inhaling dust; ensure good ventilation
- Storage Measures: Store away from strong oxidizers and moisture
First Aid Measures
- Inhalation: Move to fresh air; seek medical advice if respiratory irritation occurs
- Skin Contact: Wash affected area with soap and water; seek medical advice if irritation develops
- Eye Contact: Rinse immediately with plenty of water for 15 minutes; seek medical attention if irritation persists
- Ingestion: Rinse mouth; seek medical attention if large quantities are ingested
Firefighting Measures
- Fire Hazards: Non-flammable
- Extinguishing Media: Use water spray, foam, dry chemical, or CO₂ as appropriate for surrounding fire
- Special Precautions: None specific to this chemical
- Hazardous Combustion Products: None known
Related products
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Calcium Carbonate Uncoated
Calcium Carbonate Uncoated is a naturally occurring mineral compound composed primarily of calcium, carbon, and oxygen with the chemical formula CaCO₃. It appears as a fine white powder or granules, widely used as a filler, pigment, and functional additive across various industries. The uncoated form means the calcium carbonate particles are not surface-treated, retaining their natural properties. It is valued for its high brightness, whiteness, and excellent compressibility. Uncoated calcium carbonate is used to enhance opacity, improve processing, and reduce costs in plastics, paints, coatings, adhesives, rubber, paper, and construction materials.
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 Chloride Hexahydrate BP
Magnesium Chloride Hexahydrate BP is a pharmacopeial grade white crystalline solid with the chemical formula MgCl₂·6H₂O. It is highly soluble in water and is used extensively in pharmaceutical, medical, and industrial applications. This grade meets British Pharmacopoeia (BP) standards ensuring high purity and suitability for medical and food-related uses. Magnesium Chloride Hexahydrate BP provides essential magnesium ions which play a critical role in numerous physiological functions.
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.
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.
