Phosphorous Acid (H3PO3) AR Grade is an inorganic compound commonly used as a chemical raw material and intermediate for pesticides. CAS 13598-36-2 EC 237-066-7| Chemical Reagents net

It is a common inorganic compound, mainly used in chemical raw materials and pesticide manufacturing, as an intermediate and reactant.

General Information

Compound Name: Phosphorous Acid
Commonly Used for: Chemical raw material, intermediate for pesticides
CAS Number: 13598-36-2
EC Number: 237-066-7
MDL Number: MFCD00137258
Chemical Formula: H3PO3
Molecular Weight: 82
Packaging: 500g × 20 bottles/case
Brand: KeShi
Grade: AR
General Information: Phosphorous Acid (H3PO3) is an inorganic compound commonly used as a chemical raw material and intermediate for pesticides.
Brand and Packaging: Supplied by KeShi, packaged in 500g bottles, with 20 bottles per case.

Physical Properties

Density: 1.651 g/cm³
Melting Point: 70 °C (decomposes)
Boiling Point: 200 °C

Chemical Properties

Phosphorous Acid is a moderately strong acid and can form salts with metals.

Structural Formula

     OH
      |
H - P - OH
      |
      OH

Quality inspection report

| Property            | Details                           |
|---------------------|-----------------------------------|
| Product Name        | Phosphorous Acid                  |
| Specification       | Analytical Grade                  |
| Batch Number        | 2023080101                        |
| Molecular Formula   | H3PO3                             |
| Molecular Weight    | 82.00 g/mol                       |
| Batch Quantity      | 300kg                             |
| Testing Unit        | Production Department             |
| Sample Type         | Inorganic                         |
| Report Date         | 2023.08.03                        |
| Standard Reference  | Q/CDKLHX0632-2016A                |

| Test Item                     | Standard Requirement | Test Result |
|-------------------------------|----------------------|-------------|
| Content,%                      | ≥99.0                | 99.3        |
| Appearance                    | White crystalline     | White crystalline |
| Solubility in water test       | Pass                 | Pass        |
| Chlorides (Cl),%               | ≤0.001               | ＜0.001      |
| Sulfates (SO4),%               | ≤0.005               | ＜0.005      |
| Phosphates (PO4),%             | ≤0.03                | ＜0.03       |
| Iron (Fe),%                    | ≤0.001               | ＜0.001      |
| Heavy metals (as Pb),%         | ≤0.001               | ＜0.001      |
| Alkali and alkaline earth metals (as sulfate),% | ≤0.1  | ＜0.1        |

**Analysis Conclusion:** Complies with the requirements of Q/CDKLHX0632-2016A for Analytical Grade.

Contact Us

Xiongda Chemical provides more than 10,000 kinds of general organic reagents, inorganic reagents, analytical pure reagents, superior pure reagents, color pure reagents, high purity agents, small three types of reagents, reference reagents, environmental protection reagents, broad spectrum fungicides and other chemical reagents. If interested, please contact us for a quote. Contact us

The copyright of the article belongs to the author, please do not reprint without permission.

THE END