AGRICULTURAL GRADE

WATER TREATMENT GRADE

Sodium Dihydrogen Phosphate

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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.

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Description

Uses

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 (Less Common/Niche Applications)

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.

PRODUCT KEY FEATURES

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

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

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

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

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

Environmental & Health Impact

Biodegradability: Readily biodegradable
Ecotoxicity: Low toxicity to aquatic life in typical use concentrations
Bioaccumulation: Not expected to bioaccumulate

SAFETY HANDLING PRECAUTIONS

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