, anhydrous ≥98%, white crystalline powder ACS

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02191431.1 02191431.5 0219143105
IC191431.1EA 75.4 USD
IC191431.1 IC191431.5 IC19143105
, anhydrous ≥98%, white crystalline powder ACS
di-Potassium hydrogen phosphate

Potassium phosphate is typically used as a component for a wide variety of media used in the culture of microorganisms, as a component in phosphate buffered saline (PBS). In addition to helping maintain pH, it supplies essential phosphate.


Soluble in water; Insoluble to slightly soluble in ethanol; insoluble in alcohol.


Caution: Research Use Only (RUO).

Formula: K₂HPO₄
MW: 174.18 g/mol
Melting Pt: 340
Storage Temperature: Ambient
MDL Number: MFCD00011383
CAS Number: 7758-11-4
Merck Index: 13,07743
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Specification Test Results

Assay ≥98%
pH (5% aq soln) 8,5 - 9,6
Insoluble Matter ≤0,01%
Loss on Drying ≤1,0%
Chloride (Cl) ≤0,003%
Nitrogen (as N) ≤0,001%
Sulfate (SO₄) ≤0,005%
Heavy Metals (as Pb) ≤5 ppm
Iron (Fe) ≤0,001%
Sodium (Na) ≤0,05%


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