Sodium dihydrogen phosphate is a raw material for the manufacture of sodium hmetaphosphate and sodium pyrophosphate. CAS 13472-35-0 EC 231-448-7| Chemical Reagents net

It is a versatile inorganic salt commonly used in laboratory and industrial settings. It serves various purposes including buffering, pH regulation, and water treatment applications. This compound is generally safe to handle and has minimal environmental impact when used appropriately.

General Information

Compound Type: Inorganic salt
CAS Number: 13472-35-0
EC Number: 231-448-7
Molecular Weight: 156.01 g/mol
Molecular Formula: NaH2PO4·2H2O
MDL Number: MFCD00149209
Grade: AR
Packaging: 500g×20 bottles/case
Brand: KeSci

General Information

Sodium Phosphate Monobasic Dihydrate is an inorganic salt used primarily in laboratory and industrial applications.

Brand and Packaging

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

Physical Properties

Appearance: White crystalline solid
Density: ~1.915 g/cm³
Solubility: Soluble in water
Melting Point: Decomposes above 60 °C

Structural Formula

Structure: NaH2PO4·2H2O

Quality inspection report

| **Chemical Information** |                      |
|--------------------------|----------------------|
| **Product Name**         | Sodium dihydrogen phosphate dihydrate |
| **Molecular Formula**    | NaH2PO4·2H2O         |
| **Molecular Weight**     | 156.01 g/mol         |
| **Batch Size**           | 1000 kg              |
| **Grade**                | Analytical grade     |
| **Batch Number**         | 2023070101           |

| **Analysis Results**         | **Standard Requirement** | **Measured Result** |
|--------------------------|--------------|--------------|
| Purity,%                    | ≥99.0        | 99.2         |
| Appearance                  | Colorless or white crystals | Colorless crystals |
| pH (50g/L,25℃)              | 4.2–4.6      | 4.4          |
| Clarity test/number          | ≤3           | ＜3           |
| Insoluble matter,%          | ≤0.01        | 0.006        |
| Chloride (Cl),%             | ≤0.005       | ＜0.005       |
| Sulfate (SO4),%             | ≤0.005       | ＜0.005       |
| Nitrate (NO3),%             | ≤0.001       | ＜0.001       |
| Ammonium (NH4),%            | ≤0.002       | ＜0.002       |
| Potassium (K),%             | ≤0.02        | 0.001        |
| Iron (Fe),%                 | ≤0.001       | ＜0.001       |
| Arsenic (As),%              | ≤0.0002      | ＜0.0002      |
| Heavy metals (as Pb),%      | ≤0.001       | ＜0.001       |
| Ammonium precipitate,%      | ≤0.01        | 0.005        |

### Conclusion:
Meets the requirements of GB/T 1267-2011 for analytical grade.

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