2-Dimethoxyphosphorylethanol
dimethyl (2-hydroxyethyl)phosphonate
CAS: 54731-72-5
Molecular Formula: C4H11O4P
2-Dimethoxyphosphorylethanol - Names and Identifiers
| Name | dimethyl (2-hydroxyethyl)phosphonate |
| Synonyms | 2-Dimethoxyphosphorylethanol Dimethyl 2-hydroxyethylphosphonate DIMETHYL 2-HYDROXYETHYLPHOSPHONATE dimethyl (2-hydroxyethyl)phosphonate Dimethyl(2-hydroxyethyl) phosophonate Dimethyl(2-Hydroxyethoxyll) Phosphonate 2-HYDROXYETHYLPHOSPHONIC ACID DIMETHYL ESTER PHOSPHONIC ACID, (2-HYDROXYETHYL)-, DIMETHYL ESTER |
| CAS | 54731-72-5 |
| EINECS | 259-310-1 |
| InChI | InChI=1/C4H11O4P/c1-7-9(6,8-2)4-3-5/h5H,3-4H2,1-2H3 |
2-Dimethoxyphosphorylethanol - Physico-chemical Properties
| Molecular Formula | C4H11O4P |
| Molar Mass | 154.1 |
| Density | 1.247 |
| Boling Point | 98-104 °C (0.1 mmHg) |
| Flash Point | 192 °C |
| Water Solubility | soluble |
| Vapor Presure | 0.00859mmHg at 25°C |
| Appearance | Liquid |
| Specific Gravity | 1.23 |
| Color | Clear colorless to slightly yellow |
| pKa | 14.22±0.10(Predicted) |
| Storage Condition | under inert gas (nitrogen or Argon) at 2-8°C |
| Refractive Index | 1.443-1.446 |
| MDL | MFCD00043376 |
2-Dimethoxyphosphorylethanol - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S37/39 - Wear suitable gloves and eye/face protection S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| UN IDs | 3082 |
| HS Code | 29319019 |
2-Dimethoxyphosphorylethanol - Introduction
dimethyl phosphonate(dimethyl phosphonate) is a common organophosphorus compound. Its molecular formula is C5H13O4P and its molecular weight is 156.13g/mol.
The following are the properties of dimethyl (2-hydroxyethyl)phosphonate:
1. appearance: dimethyl (2-hydroxyethyl)phosphonate is a colorless to slightly yellow liquid.
2. Solubility: its solubility in water is poor, soluble in organic solvents such as alcohol, ether, etc.
3. melting point and boiling point: its melting point is -45 ℃, boiling point is 190 ℃.
The main uses of dimethyl (2-hydroxyethyl)phosphonate are as follows:
1. Organic synthesis: It can be used as an important chemical intermediate to participate in organic synthesis reactions. It can be used to synthesize organic compounds such as pesticides, pharmaceuticals and dyes.
2. Flame retardant: It can be used as a flame retardant for polymers to improve the flame resistance of polymers.
dimethyl (2-hydroxyethyl)phosphonate preparation methods are:
1. Reaction of trimethyl phosphate with ethylene glycol: Trimethyl phosphate and ethylene glycol are reacted under appropriate conditions to generate dimethyl (2-hydroxyethyl)phosphonate and methanol as by-products.
dimethyl (2-hydroxyethyl)phosphonate safety information:
1. It is a flammable liquid, avoid contact with fire sources and open flames.
2. use to wear appropriate personal protective equipment, such as gloves and protective glasses.
3. It is irritating to the skin and eyes, and should be rinsed with water immediately after contact.
4. Inhalation or ingestion may be harmful to health. Avoid inhaling its vapor or dust during operation. If you feel unwell, you should seek medical attention immediately.
The following are the properties of dimethyl (2-hydroxyethyl)phosphonate:
1. appearance: dimethyl (2-hydroxyethyl)phosphonate is a colorless to slightly yellow liquid.
2. Solubility: its solubility in water is poor, soluble in organic solvents such as alcohol, ether, etc.
3. melting point and boiling point: its melting point is -45 ℃, boiling point is 190 ℃.
The main uses of dimethyl (2-hydroxyethyl)phosphonate are as follows:
1. Organic synthesis: It can be used as an important chemical intermediate to participate in organic synthesis reactions. It can be used to synthesize organic compounds such as pesticides, pharmaceuticals and dyes.
2. Flame retardant: It can be used as a flame retardant for polymers to improve the flame resistance of polymers.
dimethyl (2-hydroxyethyl)phosphonate preparation methods are:
1. Reaction of trimethyl phosphate with ethylene glycol: Trimethyl phosphate and ethylene glycol are reacted under appropriate conditions to generate dimethyl (2-hydroxyethyl)phosphonate and methanol as by-products.
dimethyl (2-hydroxyethyl)phosphonate safety information:
1. It is a flammable liquid, avoid contact with fire sources and open flames.
2. use to wear appropriate personal protective equipment, such as gloves and protective glasses.
3. It is irritating to the skin and eyes, and should be rinsed with water immediately after contact.
4. Inhalation or ingestion may be harmful to health. Avoid inhaling its vapor or dust during operation. If you feel unwell, you should seek medical attention immediately.
Last Update：2024-04-09 02:00:46
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