GENERAL DESCRIPTIONTypical appearance: colorless or white solid
Analytical use: buffer solution
Change in state (approximate): melting point 155 0C docomposes
Aqueous solubility: 1 g in 1.7ml at about 25 0C
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AMMONIUM
PHOSPHATE DIBASIC ACS
GENERAL DESCRIPTION| SPECIFICATIONS | |
| Assay | >98.0% (NH4)2 HPO4 |
| PH of a 5% solution at 25.0 0C | 7.7-8.1 |
| Maximum Allowable | |
| Insoluble matter | 0.005% |
| Chloride (Cl) | 0.001% |
| Nitrate (NO3) | 0.003% |
| Sulfate (SO4) | 0.01% |
| Heavy metals (as Pb) | 0.001% |
| Iron (Fe) | 0.001% |
| Calcium (Ca) | 0.001% |
| Magnesium (Mg) | 0.0005% |
| Potassium (K) | 0.005% |
| Sodium (Na) | 0.005% |
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| AMMONIUM PHOSPHATE DIBASIC AR | |
| Synonym | DI-AMMONIUM HYDROGEN PHOSPHATE |
| CAS No. | 7783-28-0 |
| Molecular Formula | (NH4)2HPO4 |
| Molecular Weight | 132.06 |
| Description | WHITE CRYSTALLINE POWDER |
| Specifications | |
| ASSAY | 98.0- 102.0% |
| CHLORIDE | MAX 0.0005% |
| ID | AMMONIUM & PHOSPHATE =+VE |
| INSOLUBLE MATTER | MAX 0.005% |
| IRON | MAX. 0.001% |
| LEAD | MAX. 0.001% |
| NITRATE | MAX. 0.001% |
| PH OF 5% SOLUTION | 7.8-8.5 |
| POTASSIUM | MAX. 0.01% |
| SODIUM | MAX. 0.01% |
| SOLUBILITY | FREELY SOLUBLE IN WATER |
| SULPHATE | MAX 0.01% |
| AMMONIUM PHOSPHATE DIBASIC LR | |
| Synonym | DI-AMMONIUM HYDROGEN PHOSPHATE |
| CAS No. | 7783-28-0 |
| Molecular Formula | ((NH4)2HPO4 |
| Molecular Weight | 132.06 |
| Description | WHITE CRYSTALLINE POWDER |
| Specifications | |
| SOLUBILITY | FREELY SOLUBLE IN WATER |
| IDENTIFICATION | AMMONIUM & PHOSPHATE |
| CHLORIDE | MAX 0.002% |
| SULPHATE | MAX 0.02% |
| IRON | MAX 0.002% |
| LEAD | MAX 0.002% |
| ASSAY | 97- 102% |
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AMMONIUM
PHOSPHATE MONOBASIC ACS
GENERAL DESCRIPTION| SPECIFICATIONS | |
| Assay | > 98.0% NH4H2PO4 |
| PH of a 5% solution at 25ºC | 3.8 – 4.4 |
| Maximum Allowable | |
| Insoluble matter | 0.005% |
| Chloride (Cl) | 5 ppm |
| Nitrate (NO3) | 0.001% |
| Sulfate (SO4) | 0.01% |
| Heavy metals (as Pb) | 5 ppm |
| Iron (Fe) | 0.001% |
| Calcium (Ca) | 0.001% |
| Magnesium (Mg) | 0.0005% |
| Potassium (K) | 0.005% |
| Sodium (Na) | 0.005% |
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| AMMONIUM PHOSPHATE MONOBASIC AR | |
| Cas No. | 7722-76-1 |
| Molecular Formula | NH4H2PO4 |
| Molecular Weight | 115.03 |
| Description | White crystalline compound |
| Assay | min.98% |
| Insoluble matter | 0.005% |
| pH (5% aq. Soln) | 3.8-4.4 |
| Chloride (Cl) | max.0.0005% |
| Sulphate (SO4) | max.0.01% |
| Iron (Fe) | max.0.001% |
| Heavy Metals (Pb) | max.0.0005% |
| Sodium (Na) | max.0.01% |
| Potassium (K) | max.0.02% |
| Nitrate (NO3) | max.0.001% |
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| AMMONIUM PHOSPHATE MONOBASIC LR | |
| Cas No. | 7722-76-1 |
| Molecular Formula | NH4H2PO4 |
| Molecular Weight | 115.03 |
| Description | White crystalline compound |
| Assay | min.98% |
| pH (5% aq. Soln) | 4.0-4.4 |
| Chloride (Cl) | max.0.001% |
| Sulphate (SO4) | max.0.01% |
| Iron (Fe) | max.0.005% |
| Heavy Metals (Pb) | max.0.0005% |
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