Disodium Hydrogen Phosphate Dihydrate Extra Pure
$ 19.50 Original price was: $ 19.50.$ 18.98Current price is: $ 18.98.
Disodium Hydrogen Phosphate Dihydrate Extra Pure is a laboratory-grade chemical widely utilized as a buffering agent and pH stabilizer in analytical chemistry, molecular biology, and biochemical research. It is commonly used in the preparation of phosphate buffer solutions, supporting the maintenance of optimal conditions for enzyme activity and cell culture. This dihydrate form ensures accurate hydration levels for reliable solution formulation. Its high purity makes it suitable for sensitive lab applications requiring minimal interference from impurities. The compound should be kept tightly sealed in a dry environment to preserve its integrity and reactivity.
Disodium Hydrogen Phosphate Dihydrate Extra Pure
Primary Uses
- Buffer preparation (especially in phosphate buffer systems):
Widely used to maintain pH stability in biochemical and molecular biology experiments. - Reagent in analytical chemistry:
Used in qualitative and quantitative assays, including colorimetric and titration methods. - Component in saline and buffer solutions for biological research:
Often used in combination with sodium dihydrogen phosphate to create PBS (Phosphate Buffered Saline) for maintaining cell integrity. - pH adjustment in chemical reactions:
Employed to fine-tune pH in various aqueous solutions. - Media preparation in microbiology:
Acts as a buffering agent in culture media to support microbial growth.
Secondary Uses
- Standardizing solutions in titration procedures:
Used as a secondary standard in volumetric analysis. - Water treatment research:
Studied in laboratory-scale experiments for its role in corrosion control and precipitation reactions. - Educational experiments:
Common in teaching labs for demonstrating buffer systems and salt hydrolysis. - Protein precipitation or stabilization studies:
Occasionally used in protein chemistry experiments to influence ionic strength.
| PACK SIZE | 500 grams Plastic Tin |
|---|
1. Basic Identification Attributes
- Chemical Name: Disodium Hydrogen Phosphate Dihydrate
- Other Names: Disodium phosphate dihydrate, Sodium phosphate dibasic dihydrate
- Chemical Formula: Na₂HPO₄·2H₂O
- CAS Number: 10028-24-7
- Grade: Extra Pure (Laboratory Grade)
- Molecular Weight: 177.99 g/mol
- Appearance: White crystalline powder
- Odor: Odorless
2. Physical & Chemical Properties
- Melting Point: Decomposes on heating
- Solubility in Water: Soluble (∼7.7 g/100 mL at 20 °C)
- pH (1% solution): ~8.0 – 9.5
- Density: ~1.52 g/cm³
- Hygroscopicity: Slightly hygroscopic
- Stability: Stable under normal lab conditions
3. Safety & Hazard Attributes
- GHS Classification: Not classified as hazardous
- Hazard Statements: None
- PPE Requirements:
- Laboratory coat
- Protective gloves (nitrile recommended)
- Safety goggles
- First Aid Measures:
- Inhalation: Move to fresh air; seek medical attention if symptoms occur
- Skin Contact: Rinse thoroughly with water
- Eye Contact: Flush eyes with water for several minutes
- Ingestion: Rinse mouth; consult a physician if unwell
4. Storage & Handling Attributes
- Storage Conditions:
- Store in a cool, dry, well-ventilated area
- Keep container tightly sealed
- Avoid moisture exposure
- Handling Notes:
- Avoid dust formation
- Use appropriate lab ventilation
- Follow standard laboratory hygiene practices
5. Regulatory & Compliance Attributes
- EC Number: 231-448-7
- REACH Status: Registered
- UN Number: Not applicable
- DOT/ADR Classification: Not regulated
- Hazard Class (Transport): Not classified
6. Laboratory Applications
- Primary Uses:
- Preparation of phosphate buffer systems
- pH control in chemical and biological solutions
- Reagent in biochemical and analytical chemistry
- Use in cell culture and molecular biology applications
- Other Uses:
- Component in some cleaning agents and water softeners (research use)
- Analytical reagent in food and beverage testing
SAFETY PRECAUTIONS
- PPE Required:
- Lab coat
- Safety goggles
- Nitrile or latex gloves
- Storage Guidelines:
- Store in a cool, dry location
- Keep container tightly closed and away from moisture
- Avoid prolonged exposure to air to prevent hydration changes
- Handling Tips:
- Handle under dry conditions
- Use clean utensils to avoid contamination
FIRST AID MEASURES
- Inhalation: Move to fresh air; seek medical attention if symptoms occur
- Skin Contact: Wash thoroughly with water and soap
- Eye Contact: Flush eyes with water for at least 15 minutes
- Ingestion: Rinse mouth and seek medical attention if large quantities are consumed
FIRE SAFETY MEASURES
- Flammability: Not flammable
- Extinguishing Media: Use water spray, dry chemical, foam, or COâ‚‚
- Decomposition Products: May produce sodium oxides and phosphorus oxides under intense heat
Related products
Alizarin Extra Pure
Alizarin Extra Pure is a high-grade anthraquinone-based dye, presented as a reddish-brown crystalline powder, renowned for its vivid coloration and strong affinity for metal ions. It is primarily used in analytical chemistry as a complexometric indicator, especially for detecting aluminum, calcium, and other metal ions through color change. Due to its exceptional purity, it is also employed in histological staining, textile research, and pigment synthesis where precision and consistency are critical. Alizarin Extra Pure offers excellent stability and intense coloration, making it ideal for scientific, educational, and specialized industrial applications. Proper storage in a cool, dry environment is essential to maintain its effectiveness and prevent degradation.
Aluminium Chloride Hydrated Extra Pure
Aluminium Chloride Hydrated Extra Pure is a high-purity, white to pale yellow crystalline compound containing bound water molecules, making it less reactive than its anhydrous counterpart but still highly effective in various laboratory applications. It is commonly used in aqueous-phase reactions, coordination chemistry, and as a reagent for studying aluminum ion behavior in solution. The hydrated form offers enhanced stability and ease of handling, making it suitable for educational experiments, buffer formulations, and inorganic synthesis where precise aluminum content is required. Its extra pure grade ensures minimal interference from impurities, supporting accurate and reproducible results in analytical and research settings. Proper storage in a cool, dry place is essential to prevent further hydration or contamination.
Aluminium Oxide Active Neutral Extra Pure
Aluminium Oxide Active Neutral Extra Pure is a high-purity, fine white powder known for its high surface area and neutral pH, making it ideal for chromatography, adsorption, and catalyst support in laboratory research. Its active form ensures excellent capacity for separating and purifying organic compounds without altering their chemical structure, especially in column chromatography applications. Commonly used in analytical, organic synthesis, and material science laboratories, it provides consistent performance in adsorption studies, drying of solvents, and reaction monitoring. The extra pure grade ensures extremely low levels of impurities, suitable for high-precision experimental work. To maintain its activity, it should be stored in airtight containers away from moisture and reactive chemicals.
Aluminium Oxide Extra Pure
Aluminium Oxide Extra Pure is a high-purity, white, odorless crystalline powder widely used in laboratory applications for its chemical stability, hardness, and high melting point. It serves as a reliable reagent in inorganic synthesis, a polishing and grinding medium in sample preparation, and a support material for catalysts in chemical reactions. This form of alumina is also used in adsorption studies, ceramic research, and as a desiccant in controlled drying processes. Its extra pure grade ensures minimal contamination, making it suitable for sensitive analytical work and high-precision experiments. For optimal performance, it should be stored in a dry, tightly sealed container to prevent moisture absorption and maintain its physical integrity.
Ammonium Acetate Extra Pure
Ammonium Acetate Extra Pure is a high-purity, white crystalline solid that is highly soluble in water and commonly used as a buffer component in laboratory and analytical chemistry. It is especially valuable in high-performance liquid chromatography (HPLC), mass spectrometry, and biochemical assays where pH control and minimal ionic interference are essential. This compound also serves as a reagent in organic synthesis, particularly in the preparation of acetamides and other nitrogen-containing compounds. Its extra pure grade ensures excellent consistency, low contaminant levels, and compatibility with sensitive instrumentation. To maintain stability and prevent moisture absorption, it should be stored in a tightly sealed container in a cool, dry environment.
Ammonium Chloride Extra Pure
Ammonium Chloride Extra Pure is a high-purity, white crystalline salt widely used in laboratory chemistry as a source of ammonium ions and chloride ions for analytical, inorganic, and biochemical applications. It plays a key role in preparing buffer solutions, especially in conjunction with ammonia, and is commonly used in qualitative analysis, electrochemical studies, and metal treatment experiments. In addition, it serves as a reagent in synthesis reactions and as a nitrogen source in microbial culture media. The extra pure grade ensures high consistency and minimal contaminants, making it suitable for precise and sensitive laboratory work. It should be stored in a cool, dry place in well-sealed containers to maintain stability and prevent moisture absorption.
Ammonium Cupric Chloride Extra Pure
Ammonium Cupric Chloride Extra Pure is a high-purity, greenish-blue crystalline compound composed of ammonium and copper(II) ions combined with chloride. It is primarily used in laboratory chemistry for etching, electroplating studies, and as a reagent in qualitative analysis and coordination chemistry. This compound is particularly valuable in experiments involving complex ion formation and redox behavior of transition metals. Its extra pure grade ensures high consistency and low levels of interfering impurities, supporting precise analytical and research work. Due to its sensitivity to light and moisture, it should be stored in tightly sealed, opaque containers in a cool, dry environment to maintain stability and reactivity.
Barium Sulphate Extra pure
Barium Sulphate Extra Pure is a high-purity, white, odorless crystalline powder known for its extreme insolubility in water and chemical inertness, making it highly useful in laboratory settings for qualitative analysis and gravimetric determinations. It is commonly employed in the detection and quantification of sulfate ions through precipitation reactions, as well as in studies involving solubility equilibria and surface chemistry. Its high density and stability also make it valuable in preparing calibration standards and radiopaque materials in research. The extra pure grade ensures minimal contamination, providing consistent and reliable results in sensitive analytical procedures. It should be stored in a dry, tightly sealed container to maintain its quality and prevent contamination.

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