4645-32-3
dimethyl vinylphosphonate
CAS: 4645-32-3
Molecular Formula: C4H9O3P
4645-32-3 - Names and Identifiers
| Name | dimethyl vinylphosphonate |
| Synonyms | DIMETHYL VINYLPHOSPHONATE dimethyl vinylphosphonate dimethyl ethenylphosphonate 1-dimethoxyphosphorylethene Vinylphosphonsuredimethylester Vinylphosphonic acid dimethyl ester Ethenylphosphonic acid dimethyl ester VINYLPHOSPHONIC ACID O,O-DIMETHYL ESTER |
| CAS | 4645-32-3 |
| EINECS | 225-076-4 |
| InChI | InChI=1/C4H9O3P/c1-4-8(5,6-2)7-3/h4H,1H2,2-3H3 |
4645-32-3 - Physico-chemical Properties
| Molecular Formula | C4H9O3P |
| Molar Mass | 136.09 |
| Density | 1.146g/mLat 20°C(lit.) |
| Melting Point | <-30°C |
| Boling Point | 197-202°C(lit.) |
| Flash Point | 101°C |
| Water Solubility | Fully miscible in water. |
| Vapor Presure | 3.83mmHg at 25°C |
| Appearance | liquid |
| Color | colorless |
| BRN | 1748827 |
| Storage Condition | 2-8°C |
| Stability | store cold |
| Sensitive | Light, Air & Moisture Sensitive |
| Refractive Index | n20/D 1.428 |
| MDL | MFCD00015488 |
4645-32-3 - Risk and Safety
| Hazard Symbols | C - Corrosive |
| Risk Codes | 34 - Causes burns |
| 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.) |
| UN IDs | UN 3265 8/PG 3 |
| WGK Germany | 1 |
| FLUKA BRAND F CODES | 8-10-23 |
| HS Code | 29319019 |
| Hazard Class | 6.1 |
| Packing Group | III |
4645-32-3 - Introduction
Nature:
dimethyl vinylphosphonate is a colorless and transparent liquid with a pungent odor. It is soluble in organic solvents, such as alcohols and ethers, but insoluble in water. Its boiling point is 130-137 degrees Celsius and its density is 1.131 g/ml.
Use:
dimethyl vinylphosphonate are mainly used in organic synthesis as monomers or reagents. It can be used as a monomer for the synthesis of polymers and copolymers, such as crosslinking agents for polymers and polymer copolymers, plasticizers, and anti-flame retardants. In addition, it can also be used as a dye intermediate and a reagent for the synthesis of chemicals.
Preparation Method:
dimethyl vinylphosphonate can be prepared by reacting ethylene and dimethyl phosphate. This reaction needs to be carried out under an inert atmosphere. Common reaction solvents are benzene and ethyl acetate. The reaction generally requires the presence of a catalyst, such as titanium pentachloride.
Safety Information:
dimethyl vinylphosphonate are irritating and may cause irritation to the skin, eyes and respiratory system. Care should be taken to wear appropriate protective gloves, glasses and masks during use. Avoid contact with skin and eyes during operation, and maintain good ventilation conditions. Keep away from fire and high temperature during use and storage. If you come into contact with dimethyl vinylphosphonate, rinse immediately with plenty of water and seek medical help.
In view of the danger of dimethyl vinylphosphonate, correct operating methods and safety measures must be followed when using them. Before operation, it is best to refer to relevant technical information or consult professional advice.
Last Update：2024-04-09 20:52:54
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