| DI POTASSIUM HYDROGEN PHOSPHATE – ACS | |
| CAS NO :7758-11-4 | FORMULA : K2HPO4 |
| GRADE : ACS | FORMULA WT : 174.18 |
| TEST | SPECIFICATION |
| Description | White hygroscopic powder |
| Test Solution (10% aq.sol) | Passes test |
| Identification | Complies |
| Assay : | 98.00% |
| pH | 8.5 – 9.6 |
| Insouble matter: | Max 0.01% |
| Loss on drying: | Max 1% |
| Nitrogen compound (as N): | Max 0.001% |
| Chloride (Cl) : | Max 0.003% |
| Sulphate (SO4) : | Max 0.005% |
| Iron (Fe): | Max 0.001% |
| Heavy metal (Pb): | Max 0.0005% |
| Sodium (Na) : | Max 0.05% |
| DI POTASSIUM HYDROGEN PHOSPHATE – LR | |
| CAS NO :7758-11-4 | FORMULA : K2HPO4 |
| GRADE : LR | FORMULA WT : 174.18 |
| TEST | SPECIFICATION |
| Description | White hygroscopic powder |
| Test Solution (10% aq.sol) | Passes test |
| Identification | Complies |
| Assay : | 98% |
| pH | 8.6 – 9.6 |
| Chloride (Cl) : | Max 0.01% |
| Sulphate (SO4) : | Max 0.01% |
| Heavy metal (Pb): | Max 0.005% |
| Iron (Fe): | Max 0.005% |
| DI POTASSIUM HYDROGEN PHOSPHATE – BP | |
| CAS NO :7758-11-4 | FORMULA : K2HPO4 |
| GRADE : BP | FORMULA WT : 174.18 |
| TEST | SPECIFICATION |
| Description | White or almost white powder colourless crystals, very hygroscopic |
| Solubilty | very soluble in water, very slightly soluble in ethanol (96%) |
| Identification | Complies |
| Assay :(ODB) | 98.0 -101.0 % |
| Appearance of solution | Passes |
| Reducing substance | Passes |
| Mono potassium phosphate | Max 2.5% |
| Chloride | Max 0.02% |
| Sulphate | Max 0.1% |
| Arsenic | Max 0.0002% |
| Iron | Max 0.001% |
| Heavy metals | Max 0.001% |
| Sodium | Max 0.1% |
| Loss on drying | Max 2% |
| Bacterial endotoxins | Max 1.1 IU/mg |
| DI POTASSIUM HYDROGEN PHOSPHATE – USP | |
| CAS NO :7758-11-4 | FORMULA : K2HPO4 |
| GRADE : USP | FORMULA WT : 174.18 |
| TEST | SPECIFICATION |
| Description | Colourless or White somewhat hygroscopic, granular powder. |
| Solubilty | Freely soluble in water, very slightly soluble in alcohol |
| Identification | Complies |
| Assay :(ODB) | 98.0 -100.5 % |
| pH | 8.5 – 9.6 |
| Insoluble substances | Max 0.2% |
| Carbonate | Passes |
| Chloride | Max 0.03% |
| Sulphate | Max 0.1% |
| Arsenic | Max 0.0003% |
| Iron | Max 0.003% |
| Sodium | Passes |
| Heavy metals | Max 0.001% |
| Fluoride | Max 0.001% |
| Monobasic or Tribasic salt | Passes |
| Loss on drying | Max 1% |
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