Potassium phosphate dibasic
Potassium phosphate dibasic (CAS: 7758-11-4), with the molecular formula K2HPO4 and a molecular weight of 174.18, is a versatile inorganic salt. It is suitable for applications requiring luminescence and serves as a key reagent in chemical synthesis. TSS supplies this compound in JIS special grade, primarily for customers within Japan.
- IUPAC
- Dipotassium hydrogenphosphate,Dipotassium phosphate,sec.-Potassium phosphate
- Synonyms
- Dipotassium hydrogenphosphateDipotassium phosphatesec.-Potassium phosphate
Chemical Synthesis Reagent
Potassium phosphate dibasic is utilised as a reagent in various chemical synthesis processes. Its properties make it a valuable component in the preparation of other chemical compounds.
Luminescence Applications
This compound is suitable for applications where luminescence is a key requirement. It serves as a crucial component in specific formulations for luminescent materials.
Inorganic Salt Applications
As an inorganic salt, K2HPO4 finds utility in diverse industrial and laboratory settings. Its characteristics are leveraged in applications requiring precise buffering or as a source of potassium and phosphate ions.
| Molecular weight | 174.18 |
|---|---|
| Linear formula | K2HPO4 |
| Assay | ≥98% |
| Grade | JIS special grade |
| Solubility | H2O: soluble1 M at 20 °C, clear, colorless |
| pH | 8.5-9.6 (25 °C, 5% in solution) |
| Concentration | 1.0 M |
| Loss on drying | ≤1.0% loss on drying, 105°C |
| Impurities tested | ≤0.001% Nitrogen compounds (as N)≤0.01% Insoluble matter |
| Suitability | in accordance for luminescence |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 1 |
| Cation traces | Fe: ≤0.001%Na: ≤0.05%heavy metals (as Pb): ≤5 ppm |
| Anion traces | chloride (Cl-): ≤0.003%sulfate (SO42-): ≤0.005% |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Availability | available only in Japan |
|---|---|
| Uv Absorption | λ: 260 nm Amax: ≤0.20λ: 280 nm Amax: ≤0.15 |
| Sterility | 0.2 μm filtered |
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 Potassium Phosphate Dibasic used for?
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Potassium phosphate dibasic (CAS: 7758-11-4) is used as a reagent in chemical synthesis and is suitable for applications requiring luminescence. It is also employed as an inorganic salt in various laboratory and industrial settings.
What are the CAS number and chemical formula for Potassium Phosphate Dibasic?
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The CAS number for Potassium Phosphate Dibasic is 7758-11-4, and its chemical formula is K2HPO4.
What grade and purity does Tech Serve Solutions supply for Potassium Phosphate Dibasic?
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Tech Serve Solutions supplies Potassium Phosphate Dibasic in JIS special grade with an assay of ≥98%. TSS does not represent this product as USP, BP, or EP grade.
How should Potassium Phosphate Dibasic be handled safely?
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When handling Potassium Phosphate Dibasic, it is recommended to use eyeshields and gloves. A respirator filter of type N95 (US) or P1 (EN143) should be used if dust generation is likely. Refer to the Safety Data Sheet for comprehensive handling guidelines.
Is Potassium Phosphate Dibasic available for export outside of Japan?
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Currently, Potassium Phosphate Dibasic is available only in Japan.
How can I request a quote or sample for Potassium Phosphate Dibasic?
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To request a quote or sample, please contact our sales department directly through the TSS website or your usual sales representative.
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