METHYLPHOSPHONIC ACID
METHYLPHOSPHONIC ACID
CAS: 993-13-5
Molecular Formula: CH5O3P
METHYLPHOSPHONIC ACID - Names and Identifiers
| Name | METHYLPHOSPHONIC ACID |
| Synonyms | METHYLPHOSPHONIC ACID METHANEPHOSPHONIC ACID Phosphonic acid, methyl- |
| CAS | 993-13-5 |
| EINECS | 213-607-2 |
METHYLPHOSPHONIC ACID - Physico-chemical Properties
| Molecular Formula | CH5O3P |
| Molar Mass | 96.02 |
| Density | 1.495±0.06 g/cm3(Predicted) |
| Melting Point | 105-107°C(lit.) |
| Boling Point | 265.2±23.0 °C(Predicted) |
| Water Solubility | Soluble in water and alcohol. |
| Solubility | H2O: soluble2.88 g in 30 mL, clear, colorless |
| Vapor Presure | 0Pa at 20℃ |
| Appearance | Crystalline Powder |
| Color | White to off-white |
| Maximum wavelength(λmax) | ['λ: 260 nm Amax: ≤0.05', , 'λ: 280 nm Amax: ≤0.04'] |
| BRN | 1739372 |
| pKa | pK1:2.38;pK2:7.74 (25°C) |
| PH | 0.9-1.4 |
| Storage Condition | -20°C |
| Stability | Stable. Incompatible with strong oxidizing agents, strong bases. |
| Sensitive | Hygroscopic |
METHYLPHOSPHONIC ACID - Risk and Safety
| Risk Codes | R22 - Harmful if swallowed R34 - Causes burns R39/23/24/25 - R23/24/25 - Toxic by inhalation, in contact with skin and if swallowed. R11 - Highly Flammable |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S36/37 - Wear suitable protective clothing and gloves. S16 - Keep away from sources of ignition. S7 - Keep container tightly closed. |
| UN IDs | UN 3261 8/PG 2 |
| WGK Germany | 3 |
| FLUKA BRAND F CODES | 10 |
| HS Code | 29310099 |
| Hazard Class | 8 |
| Packing Group | II |
METHYLPHOSPHONIC ACID - References
| LogP | -1.556 at 20℃ |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-10 22:29:15
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CAS: 993-13-5
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