Diammonium hydrogen phosphate, or ammonium hydrogen phosphate, mono-ammonium phosphate, is a white crystal that is neutral in aqueous solution.CAS 7783-28-0EC 232-089-9| Chemical Reagents net

It is a versatile inorganic salt used in various industrial and laboratory applications. It is particularly valued in agriculture as a fertilizer component and in microbiology for growth media. The compound exhibits stability under normal conditions and poses minimal environmental hazards when handled responsibly.

General Information

Compound Type: Inorganic salt
CAS Number: 7783-28-0
EC Number: 232-089-9
Molecular Weight: 132.06 g/mol
Molecular Formula: H9N2O4P
MDL Number: MFCD00010891
Grade: AR
Packaging: 500g×20 bottles/case
Brand: KeSci

General Information

Ammonium Phosphate Dibasic is an inorganic salt commonly used in laboratory and industrial applications.

Brand and Packaging

Brand: KeSci
Packaging: 500ml×20 bottles/case

Physical Properties

Appearance: White crystalline solid
Density: ~1.619 g/cm³
Solubility: Soluble in water
Melting Point: Decomposes above 155 °C

Structural Formula

Structure: (NH4)2HPO4

Quality inspection report

| **Chemical Information** |                      |
|--------------------------|----------------------|
| **Product Name**         | Ammonium dihydrogen phosphate |
| **Molecular Formula**    | (NH4)2HPO4           |
| **Molecular Weight**     | 132.06 g/mol         |
| **Batch Size**           | 300 kg               |
| **Grade**                | Analytical grade     |
| **Batch Number**         | 2024020101           |
| **Report Date**          | 2024.02.02           |

| **Analysis Results**         | **Standard Requirement** | **Measured Result** |
|--------------------------|--------------|--------------|
| Purity,%                    | ≥99.0        | 99.7         |
| Appearance                  | Colorless crystals | Colorless crystals |
| pH (50g/L,25℃)              | 7.8–8.2      | 8.0          |
| Clarity test/number          | ≤3           | ＜3           |
| Insoluble matter,%          | ≤0.005       | 0.003        |
| Chloride (Cl),%             | ≤0.0005      | ＜0.0005      |
| Sulfate (as SO4),%          | ≤0.005       | ＜0.005       |
| Nitrate (NO3),%             | ≤0.0005      | ＜0.0005      |
| Sodium (Na),%               | ≤0.01        | 0.0001       |
| Potassium (K),%             | ≤0.003       | 0.0005       |
| Arsenic (As),%              | ≤0.0002      | ＜0.0002      |
| Iron (Fe),%                 | ≤0.0005      | ＜0.0005      |
| Heavy metals (as Pb),%      | ≤0.0005      | ＜0.0005      |

### Conclusion:
Meets the requirements of HG/T3465-2012 for analytical grade.

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