Back to products
Disodium Hydrogen Phosphate Dihydrate
$ 1.45 Original price was: $ 1.45.$ 1.35Current price is: $ 1.35.
Disodium Hydrogen Phosphate
$ 1.45 Original price was: $ 1.45.$ 1.35Current price is: $ 1.35.
Whatsapp Order
Disodium Hydrogen Phosphate, also known as sodium phosphate dibasic, is an inorganic salt widely used as a buffering agent, emulsifier, and food additive. It appears as a white, odorless crystalline powder or granules that are highly soluble in water and alkaline in nature. It plays a crucial role in maintaining pH balance, stabilizing formulations, and supplying essential sodium and phosphate ions in various industries including food, pharmaceuticals, water treatment, and agriculture.
Description
Table of Contents
Toggle
Disodium Hydrogen Phosphate
Primary Uses
- Food & Beverage Industry
- Acts as a buffering and pH control agent in processed foods, dairy products (like cheese and powdered milk), and beverages.
- Used as an emulsifier and sequestrant to improve texture, moisture retention, and shelf life.
- Serves as a leavening agent component in baking powders.
- Employed as a stabilizer in meat and seafood products to improve water retention and reduce spoilage.
- Added to nutritional supplements as a source of phosphate and sodium.Pharmaceuticals & Healthcare
- Used as a buffering agent in intravenous fluids, oral rehydration solutions, and pharmaceutical formulations to maintain pH stability.
- Functions as an excipient in tablets and capsules to control release rates.
- Utilized in parenteral nutrition solutions to supply electrolytes.Water Treatment
- Used to control pH and prevent scale formation and corrosion in industrial water treatment and boiler systems.
- Acts as a dispersing agent to keep suspended solids evenly distributed in water.Agriculture & Fertilizers
- Supplies phosphorus and sodium in fertilizer blends for soil amendment.
- Used in hydroponic nutrient solutions for plant growth enhancement.Industrial Applications
- Used in detergents and cleaning agents as a builder and pH stabilizer.
- Employed in ceramics, textile, and paper industries as a buffering and dispersing agent.
Secondary Uses
- Laboratory Reagent
- Commonly used in buffer preparations for biochemical and molecular biology research.
- Helps maintain consistent pH in enzyme reactions and protein purification processes.Cosmetics
- Used as a pH adjuster and buffering agent in creams, lotions, and personal care products.Animal Feed
- Included in feed supplements to provide phosphate and sodium for metabolic processes.
KEY PRODUCT FEATURES
1. Basic Identification Attributes
- Chemical Name (IUPAC): Disodium hydrogen phosphate
- Common/Trade Name: Disodium Phosphate, Sodium Phosphate Dibasic
- CAS Number: 7558-79-4
- HS Code: 2835.25.00
- Molecular Formula: Na₂HPO₄·xH₂O (anhydrous or hydrated forms)
- Synonyms:
- Disodium phosphate
- Sodium phosphate dibasic
- Sodium hydrogen phosphate
2. Physical & Chemical Properties
- Physical State: White crystalline powder or granules
- Odor: Odorless
- Melting Point: Decomposes before melting (~100–200°C, depending on hydration)
- Solubility: Highly soluble in water; insoluble in alcohol
- pH (1% aqueous solution): Approximately 9.0–10.5 (alkaline)
- Stability: Stable under normal storage conditions; hygroscopic
3. Safety & Hazard Attributes
- Hazard Class (GHS): Not classified as hazardous
- Toxicity: Low toxicity; generally regarded as safe (GRAS) for food use
- Exposure Limits: No specific occupational exposure limits established
4. Storage & Handling Attributes
- Storage Conditions: Store in a cool, dry place; protect from moisture
- Container Type: Paper bags with polyethylene lining, plastic drums
- Shelf Life: Typically 2–3 years if stored properly
- Handling Precautions: Avoid dust inhalation; use PPE to prevent eye and skin contact
5. Regulatory & Compliance Attributes
- Approved as food additive and pharmaceutical excipient worldwide
- Listed in USP, EP, FCC (Food Chemicals Codex)
- Compliant with REACH and other chemical regulations
6. Environmental & Health Impact
- Ecotoxicity: Low environmental toxicity
- Persistence: Biodegradable and non-persistent
- Bioaccumulation: Not expected
- Carcinogenicity/Mutagenicity: Not classified
SAFETY HANDLING PRECAUTIONS
Safety Handling Precautions
PPE Required:
- Dust mask or respirator (for dust exposure)
- Safety goggles
- Gloves (nitrile or latex)
- Protective lab coat or apron
Handling Guidelines:
- Handle in well-ventilated areas
- Avoid inhalation of dust and contact with skin or eyes
- Employ dust suppression methods during bulk transfer
Storage Measures:
- Keep container tightly sealed to avoid moisture absorption
- Store away from incompatible materials such as strong acids
- Avoid exposure to high humidity
Hygiene Practices:
- Wash hands after handling
- Do not eat, drink, or smoke while handling
- Maintain a clean work environment to prevent contamination
First Aid Measures
- Inhalation: Move to fresh air; seek medical attention if respiratory irritation or discomfort occurs
- Skin Contact: Wash thoroughly with soap and water; seek medical advice if irritation develops
- Eye Contact: Rinse immediately with plenty of water for at least 15 minutes; consult a physician if irritation persists
- Ingestion: Rinse mouth; generally low toxicity but seek medical advice if large amounts ingested
Firefighting Measures
- Fire Hazards: Non-flammable and non-combustible
- Extinguishing Media: Use water spray, foam, dry chemical, or CO₂ to extinguish surrounding fire
- Special Precautions: Use standard firefighting protective equipment
- Decomposition Products: May form sodium oxides and phosphorus oxides at very high temperatures
Related products
Adipic Acid
$ 3.20
Ammonia solution
Ammonia solutions, often referred to as aqueous ammonia or ammonium hydroxide, are clear, colorless liquids consisting of ammonia gas dissolved in water. The concentration of ammonia in these solutions typically ranges from 5% to 35% by weight. Ammonia solutions possess a pungent odor characteristic of ammonia gas and are alkaline with a pH typically between 11 and 12.5. This solution is widely used across various industries due to its excellent cleaning properties, reactivity, and role as a nitrogen source.
Ammonium Acetate
Ammonium acetate is a white crystalline solid or granular powder that is highly soluble in water. It is the ammonium salt of acetic acid and commonly appears as a colorless, odorless compound. Ammonium acetate is widely used in laboratories, chemical synthesis, food industry, pharmaceuticals, and industrial applications due to its buffering capacity and ability to provide both ammonium and acetate ions in solution. It functions as a neutral salt and is valued for its role as a pH buffer, reagent, and stabilizer.
Calcium Chloride
Calcium Chloride is an inorganic salt composed of calcium and chlorine with the chemical formula CaCl₂. It typically appears as a white crystalline solid or granular powder, highly soluble in water and exhibiting strong hygroscopic properties. Calcium Chloride is widely used for its moisture-absorbing ability, de-icing, dust control, and as a firming agent in food processing. It finds extensive applications across industrial, pharmaceutical, agricultural, and food sectors due to its efficacy in modifying physical and chemical properties of products and environments.
Disodium Phosphate
Disodium Phosphate, also known as sodium phosphate dibasic, is an inorganic compound widely used for its buffering, emulsifying, and chelating properties. It commonly appears as a white, odorless crystalline powder or granules that are highly soluble in water and alkaline in nature. Disodium Phosphate plays a vital role in regulating pH, improving stability in formulations, and providing essential sodium and phosphate ions. It finds extensive use across food processing, pharmaceuticals, water treatment, agriculture, and industrial applications.
Formic Acid
Formic Acid (methanoic acid) is the simplest carboxylic acid, typically supplied as an 85% aqueous solution. It is a colorless liquid with a pungent, penetrating odor and strong acidic properties. Formic Acid naturally occurs in insect stings and plant secretions and is widely used in chemical synthesis, agriculture, textile, leather, and rubber industries. The 85% solution balances potency and safe handling for industrial applications. It serves as a preservative, antibacterial agent, and intermediate chemical in numerous manufacturing processes.
Sodium Bicarbonate
Sodium Bicarbonate, commonly known as Baking Soda, is a white crystalline powder with a mildly alkaline taste. It is widely used across multiple industries for its excellent buffering, neutralizing, and leavening properties. This compound is safe for food applications and also finds uses in pharmaceuticals, cleaning, and industrial processes. Its ability to react with acids releasing carbon dioxide makes it essential for baking and other chemical applications.
Sodium Carbonate (Magadi Soda)
Sodium Carbonate (Magadi Soda) is an inorganic white powder with the chemical formula Na₂CO₃. It is a key industrial alkali used in glass manufacturing, water treatment, and chemical production. This light-density form is highly soluble and reacts with acids to form salts, making it essential for pH regulation and as a cleaning agent in various industrial processes.

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