Potassium phosphate dibasic trihydrate
Potassium phosphate dibasic trihydrate (CAS: 16788-57-1), with the chemical formula K2HPO4 · 3H2O and a molecular weight of 228.22 g/mol, is a white crystalline solid. This inorganic salt is soluble in water and serves as a crucial component in biochemical applications. It is widely utilised as a buffering agent in laboratory settings and in various chemical synthesis processes due to its ability to maintain stable pH levels.
- IUPAC
- Dipotassium hydrogen phosphate trihydrate,Dipotassium phosphate,di-Potassium hydrogen phosphate trihydrate
- Synonyms
- Dipotassium hydrogen phosphate trihydrateDipotassium phosphatedi-Potassium hydrogen phosphate trihydrate
Biological Buffering Agent
Potassium phosphate dibasic trihydrate is frequently employed to prepare buffer solutions in biological and biochemical research. Its ability to stabilise pH is critical for enzymatic reactions and cell culture media.
Chemical Synthesis
This compound acts as a reagent or catalyst in various organic and inorganic synthesis pathways. It can provide a source of phosphate or potassium ions under specific reaction conditions.
Laboratory Reagent
As a versatile laboratory reagent, it is used in analytical chemistry and for preparing specific solutions required for experimental procedures.
| Molecular weight | 228.22 |
|---|---|
| Linear formula | K2HPO4 · 3H2O |
| Assay | ≥99.0% |
| Grade | ReagentPlus® |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 1 |
| Cation traces | Fe: ≤10 ppmheavy metals (as Pb): ≤5 ppm |
| Anion traces | chloride (Cl-): ≤30 ppm |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
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 Trihydrate used for?
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Potassium phosphate dibasic trihydrate is primarily used as a biological buffering agent in research and laboratory settings, and in chemical synthesis processes.
What are the CAS number and formula for Potassium Phosphate Dibasic Trihydrate?
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The CAS number is 16788-57-1, and the chemical formula is K2HPO4 · 3H2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Potassium Phosphate Dibasic Trihydrate at a ReagentPlus® grade with an assay of ≥99.0%. We do not represent this product as meeting USP, BP, or EP pharmacopoeial standards.
What are the safety and handling precautions for this chemical?
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This compound requires the use of safety eyewear and gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used if dust exposure is possible. It is classified with WGK Germany rating 1.
How is Potassium Phosphate Dibasic Trihydrate packed, shipped, and exported?
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Tech Serve Solutions specialises in the global supply and export of fine chemicals, ensuring appropriate packaging and adherence to international shipping regulations for safe transit.
How can I request a quote or sample?
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To request a quote or sample of Potassium Phosphate Dibasic Trihydrate, please contact our sales team through the TSS website or by direct inquiry.
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