Ammonium phosphate dibasic
Ammonium phosphate dibasic (CAS: 7783-28-0), with the molecular formula (NH₄)₂HPO₄ and a molar mass of 132.06 g/mol, is a versatile inorganic salt. It is commonly employed as a laboratory reagent, in chemical synthesis, and as an analytical reagent. Its solubility in water and buffering capacity make it valuable in various scientific and industrial applications requiring precise pH control and nutrient supply.
- IUPAC
- Ammonium hydrogenphosphate,Diammonium hydrogenphosphate,di-Ammonium hydrogenphosphate (sec)
- Synonyms
- Ammonium hydrogenphosphateDiammonium hydrogenphosphatedi-Ammonium hydrogenphosphate (sec)
Laboratory Reagent
Used as a buffer solution component in biochemical and molecular biology research due to its pH buffering capabilities around physiological ranges. It is also utilized in various analytical procedures.
Chemical Synthesis
Serves as a precursor or reactant in the synthesis of other chemical compounds. Its properties are leveraged in specific inorganic and organic reaction pathways.
Analytical Applications
Applied as an analytical reagent, particularly in chromatography and general analytical chemistry, where its purity and known properties ensure reliable results.
Nutrient Source
In certain research settings, it can act as a source of both ammonium and phosphate ions, essential nutrients for biological systems, although specific applications are highly controlled.
| Molecular weight | 132.06 |
|---|---|
| Linear formula | (NH4)2HPO4 |
| Assay | 98% |
| Grade | puriss. |
| Density | 1.170 g/mL at 20 °C |
| Solubility | H2O: soluble1 M at 20 °C, clear, colorless |
| pH | 7.5-8.5 (25 °C, 2.5 M in H2O) |
| Melting point | 155 °C (dec.)(lit.) |
| Concentration | 2.5 M in H2O |
| Impurities tested | insoluble matter, passes filter test |
Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
| Anion traces | chloride (Cl-): ≤5 mg/kgnitrate (NO3-): ≤10 mg/kgsulfate (SO42-): ≤20 mg/kg |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Quality | meets analytical specification of NF |
|---|---|
| Uv Absorption | λ: 260 nm Amax: 0.045λ: 280 nm Amax: 0.035 |
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Ammonium phosphate dibasic used for?
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Ammonium phosphate dibasic (CAS: 7783-28-0) is used as a laboratory reagent, in chemical synthesis, and as an analytical reagent. It is also valued for its buffering capacity in solutions.
What is the CAS number and chemical formula for Ammonium phosphate dibasic?
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The CAS number for Ammonium phosphate dibasic is 7783-28-0, and its chemical formula is (NH₄)₂HPO₄.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Ammonium phosphate dibasic with a grade of 'puriss.' and an assay of 98%. This product meets the analytical specification of NF and is not represented as USP, BP, or EP.
How should Ammonium phosphate dibasic be handled safely?
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Ammonium phosphate dibasic is classified as a Warning (GHS07) and can cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Appropriate personal protective equipment, including a dust mask (type N95), eyeshields, and gloves, should be worn. Ensure good ventilation.
How is Ammonium phosphate dibasic packed and exported?
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Tech Serve Solutions, as a global supplier and exporter, packages chemicals to international standards, ensuring safe transit. Specific packaging details can be provided upon request.
How can I request a sample or quote for Ammonium phosphate dibasic?
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To request a sample or a quote for Ammonium phosphate dibasic, please contact the Tech Serve Solutions sales team through our website or by phone. Provide your specific requirements and shipping details.
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