| Post Date: | Dec 26,2021 |
| Expiry Date: | Jan 02,2022 |
| Detailed Description: |
Cas No. :10294-56-1;13598-36-2
Quantity: 500 Specs:98.5%-99% Price:940 USD Metric Tons Payment Method: L/C, TT Introduction Phosphorous acid is the compound described by the formula H3PO3. This acid is diprotic (readily ionizes two protons), not triprotic as might be suggested by this formula. Phosphorous acid is an intermediate in the preparation of other phosphorus compounds. CAS NO.:13598-36-2 Appearance: white solid deliquescent Density：1.651 kg/L Melting point：74℃ Boiling point:：200℃ Chemical formula: H3PO3 Molecular shape: tetrahedral |
| CAS Registry Number: | 10294-56-1;13598-36-2 |
| Synonyms: | ;Phosphonic acid;hydrogen phosphonate;phosphorus(+3) trihydride cation trihydroxide;Orthophosphorus;Orthophosphorous acid;Ortho-Phosphorous acid; |
| Molecular Formula: | H3PO3 |
| Molecular Weight: | 81.9957 |
| Molecular Structure: | 
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| Hazard Symbols: | |
| Risk Codes: | R22:; R35:; |
| Safety Description: | S26:; S36/37/39:; S45:; |
