Potassium dihydrogen phosphate, anhydrous, white crystalline powder cell culture reagent
Supplier: MP Biomedicals
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Warning
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Synonyms:
Monopotassiumphosphate, prim.-Potassium phosphate, Monopotassium phosphate, Potassium phosphate monobasic, Monobasic Potassium Phosphate, Potassium dihydrogen orthophosphate
Storage: Room Temperature, desiccate
Potassium phosphate is a reagent with high buffering capacity. It occurs in several forms: monobasic, dibasic and tribasic (K3PO4). Most pH neutral potassium phosphate buffer solutions consist of mixtures of the monobasic and dibasic forms to varying degrees, depending on the desired pH.
Potassium phosphate monobasic is typically used as a component for a wide variety of media used in the culture of microorganisms. It is widely used in molecular biology, biochemistry, and chromatography. It is a component in phosphate buffered saline (PBS). In addition to helping maintain pH, it supplies essential phosphate.
- Anhydrous
- Cell Culture Reagent Grade
- Presentation: White Crystalline Powder
- pKa: (1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid) at 25 °C (Lit.)
- Soluble in water (100 mg/mL); Insoluble to slightly soluble in ethanol; insoluble in alcohol.
Formula:
KH₂PO₄ MW: 136,09 g/mol Melting Pt: 250 °C (dec., lit.) Density: 2,338 g/mL (25 °C) (lit.) Storage Temperature: Ambient |
MDL Number:
MFCD00011401 CAS Number: 7778-77-0 |
Specification Test Results
Identity Test | Passes |
Assay | ≥99.0% |
pH (5% aq soln) | 4.1-4.5 |
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