756-79-6
Dimethyl methanephosphonate
CAS: 756-79-6
Molecular Formula: C3H9O3P
756-79-6 - Names and Identifiers
756-79-6 - Physico-chemical Properties
| Molecular Formula | C3H9O3P |
| Molar Mass | 124.08 |
| Density | 1.145g/mLat 25°C(lit.) |
| Melting Point | <50° |
| Boling Point | 181°C(lit.) |
| Flash Point | 156°F |
| Water Solubility | >=10 g/100 mL at 21 ºC |
| Vapor Presure | <0.1 mm Hg ( 20 °C) |
| Appearance | Liquid |
| Specific Gravity | 1.16 |
| Color | Clear colorless |
| Merck | 14,3391 |
| BRN | 878263 |
| pKa | pKa (20°) in water: 2.37 |
| Stability | Stability Combustible. Incompatible with strong oxidizing agents, strong bases. May soften some rubbers or plastics. Hydrolyzes slowly in contact with water. |
| Refractive Index | n20/D 1.413(lit.) |
| Use | Widely used as additive flame retardant for polyurethane foam, polyurethane resin, epoxy resin and other materials |
756-79-6 - Risk and Safety
| Risk Codes | R46 - May cause heritable genetic damage R36 - Irritating to the eyes R62 - Possible risk of impaired fertility |
| Safety Description | S53 - Avoid exposure - obtain special instructions before use. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) |
| UN IDs | 2810 |
| WGK Germany | 2 |
| RTECS | SZ9120000 |
| TSCA | Yes |
| Hazard Note | Irritant/Toxic |
| Toxicity | LD50 in rats, mice (mg/kg): 10190, >6810 orally (Rowland) |
756-79-6 - Reference Information
| LogP | -0.61 |
| dissociation constant | 2.37 at 20 ℃ |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | dimethyl methylphosphonate can be used as an industrial gasoline preheating additive, as a defoamer, plasticizer, stabilizer and antistatic agent. widely used as additive flame retardants for polyurethane foam, polyurethane resin, epoxy resin and other materials Common flame retardants for lithium batteries |
| 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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