98.0-100.5% (dry basis) USP, ACS, J.T.Baker®
Supplier: Avantor
Certificates
About this item
Synonyms: di-Potassium hydrogen orthophosphate, Dipotassium hydrogenphosphate, Potassium hydrogen phosphate, Dipotassium hydrogen phosphate, Dipotassium Phosphate, Dibasic Potassium Phosphate, Potassium Phosphate, Dibasic, (dipotassium hydrogen phosphate), Potassium phosphate dibasic, Dipotassium phosphate
CAS Number:7758-11-4
:
Formula:K₂HPO₄
MDL Number:MFCD00011383
Molecular Weight:174.18 g/mol
Melting Pt:340
Merck Index:13,07743
:Management of Change (MOC) category = R
Specifications
- Environmentally Preferable:
Specifications
Specification Test Results
- Meets U.S.P Requirements:98.0 - 100.5%
- GMP Manufactured Product:≤3 ppm
- Meets ACS Reagent Chemical Requirements:Passes Test
- CAUTION: For Manufacturing, processing or repackaging:≤0.03%
- Bulk Pharmaceutical Chemical:≤0.001%
- USP - Assay (K₂HPO₄) (dried basis):98.0 - 100.5 %
- USP - Arsenic (As):≤ 3 ppm
- USP - Carbonate (CO₃):Passes Test
- USP - Chloride (Cl):≤ 0.03 %
- USP - Fluoride (F):≤ 0.001 %
- USP - Identification A (USP):Passes Test
- USP - Identification B (USP):Passes Test
- USP - Insoluble Substances:≤ 0.2 %
- USP - Iron (Fe):≤ 0.003 %
- USP - Loss on Drying:≤ 1.0 %
- USP - Mono- or Tri- Basic Salt:Passes Test
- USP - pH (1 in 20):8.5 - 9.6
- USP - Sodium (Na):Passes Test
- USP - Sulfate (SO₄):≤ 0.1 %
- Assay (K₂HPO₄) (by acidimetry):≥ 99.0 %
- Chloride (Cl):≤ 0.003 %
- Fluoride (F):≤ 0.001 %
- Trace Impurities - ACS - Heavy Metals (as Pb):≤ 5 ppm
- Insoluble Matter:≤ 0.01 %
- Trace Impurities - Iron (Fe):≤ 0.001 %
- Loss on Drying at 105°C:≤ 1.0 %
- Nitrogen Compounds (as N):≤ 0.001 %
- pH of 5% Solution at 25°C:8.5 - 9.6
- Sodium (Na):≤ 0.05 %
- Sulfate (SO₄):≤ 0.005 %
- Trace Impurities - Arsenic (As):≤ 1 ppm
- Trace Impurities - Lead (Pb):≤ 5 ppm
Specification Test Results
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