Monopotassium Phosphate / Potassium Dihydrigen Phosphate
| POTASSIUM DIHYDROGEN PHOSPHATE – ACS | |
| CAS No. : 7778-77-0 Grade : ACS | |
| Mol. Wt. : 136.09 g / mol Mol. Formula : KH2PO4 | |
| Appearance : White Crystalline powder
Solubility (10% aq.sol) : Passes test |
|
| PARAMETERS | LIMITS |
| Assay | min 99.0% |
| pH(5% aq. Solution) | 4.1-4.5 |
| MAXIMUM LIMITS OF IMPURITIES | |
| Insoluble matter: | 0.01% |
| Loss on drying: | 0.2% |
| Chloride (Cl) : | 0.001% |
| Sulphate (SO4) : | 0.003% |
| Iron (Fe): | 0.002% |
| Heavy metal (Pb): | 0.001% |
| Sodium (Na) : | 0.005% |
| POTASSIUM DIHYDROGEN PHOSPHATE – AR | |
| CAS No. : 7778-77-0 Grade : AR | |
| Mol. Wt. : 136.09 g / mol Mol. Formula : KH2PO4 | |
| Appearance : White Crystalline powder
Solubility (10% aq.sol) : Passes test |
|
| PARAMETERS | LIMITS |
| Assay | 99.5 -100.5% |
| pH(5% aq. Solution) | 4.3-4.4 |
| MAXIMUM LIMITS OF IMPURITIES | |
| Insoluble matter: | 0.01% |
| Loss on drying: | 0.05% |
| Chloride (Cl) : | 0.0005% |
| Sulphate (SO4) : | 0.005% |
| Iron (Fe): | 0.002% |
| Lead (Pb): | 0.0005% |
| Sodium (Na) : | 0.05% |
| Nitrate (NO3): | 0.001% |
| Ammonium (NH4): | 0.0025% |
| Calcium group & Magnesium (Ca & Mg): | 0.013% |
| Mono potassium phosphate – BP | |
| CAS No. : 7758-11-4 Grade : BP | |
| Mol. Wt. : 136.1g / mol Mol. Formula : KH2PO4 | |
| Appearance : White or almost white crystalline powder colourless
crystals, Solubility :Freely soluble in water, practically insoluble in ethanol(96%) Identification A :Complies B :Complies C : Complies |
|
| PARAMETERS | LIMITS |
| Assay(ODB) | min 98.0-100.5% |
| pH | 4.2-4.5 |
| MAXIMUM LIMITS OF IMPURITIES | |
| Appearance of solution | Complies |
| Reducing substance | Complies |
| Chloride | 0.02% |
| Sulphate | 0.03% |
| Arsenic | 0.0002% |
| Iron | 0.001% |
| Sodium | 0.1% |
| Loss on drying | 2.0% |
| POTASSIUM DIHYDROGEN PHOSPHATE – FCC | |
| CAS No. : 7778-77-0 Grade : FCC | |
| Mol. Wt. : 136.09 g / mol Mol. Formula : KH2PO4 | |
| Appearance : Colourless crystals or white,granular or crystalline
powder. Solubility : Freely soluble in water, practically insoluble in alcohol Identification A. Phosphate : Complies B. Potassium : Complies |
|
| PARAMETERS | LIMITS |
| Assay(ODB) | min 98.0% |
| pH (1:100 aq sol) | 4.2-4.7 |
| MAXIMUM LIMITS OF IMPURITIES | |
| Insoluble substances | 0.2% |
| Fluoride | 10 mg/kg |
| Arsenic | 3 mg/kg |
| Lead | 2 mg/kg |
| Loss on drying | 1.0% |
| POTASSIUM DIHYDROGEN PHOSPHATE – LR | |
| CAS No. : 7778-77-0 Grade : LR | |
| Mol. Wt. : 136.09 g / mol Mol. Formula : KH2PO4 | |
| Appearance : White Crystalline powder
Solubility (10% aq.sol) : Passes test |
|
| PARAMETERS | LIMITS |
| Assay | min 98% |
| MAXIMUM LIMITS OF IMPURITIES | |
| Chloride (Cl) : | 0.005% |
| Sulphate (SO4) : | 0.01% |
| Iron (Fe): | 0.002% |
| Heavy metal (Pb): | 0.001% |
| POTASSIUM DIHYDROGEN PHOSPHATE – USP | |
| CAS No. : 7778-77-0 Grade : USP | |
| Mol. Wt. : 136.09 g / mol Mol. Formula : KH2PO4 | |
| Appearance : Colourless crystals or white,granular or crystalline
powder. Is odorless, and is stable in air. Solubility : Freely soluble in water, practically insoluble in alcohol Identification A.Potassium :Complies B.Phosphate :Complies |
|
| PARAMETERS | LIMITS |
| Assay(ODB) | min 98.0-100.5% |
| MAXIMUM LIMITS OF IMPURITIES | |
| Insoluble substances | 0.2% |
| Heavy metals | 3µg/g |
| Fluoride | 10 µg/g |
| Arsenic | 3µg/g |
| Lead | 5 µg/g |
| Loss on drying | 1.0% |