598-02-7
Phosphoric acid, diethyl ester
CAS: 598-02-7
Molecular Formula: C4H11O4P
598-02-7 - Names and Identifiers
598-02-7 - Physico-chemical Properties
| Molecular Formula | C4H11O4P |
| Molar Mass | 154.1 |
| Density | 1.29 |
| Melting Point | 6 °C |
| Boling Point | 203 °C |
| Flash Point | 91 °C |
| Vapor Presure | 0.137mmHg at 25°C |
| Appearance | Liquid |
| Color | Clear colorless to light yellow-orange |
| pKa | 1.42±0.50(Predicted) |
| Storage Condition | Sealed in dry,2-8°C |
| Refractive Index | 1.4170 |
| Physical and Chemical Properties | Colorless transparent oily liquid. Boiling point 203.3 ℃,116-118 ℃(1.3), relative density 1.175(0 ℃), refractive index 1.4170. Soluble in water, alcohol, ether, benzene, acetone and carbon tetrachloride, soluble in alkaline solution to generate the corresponding phosphate, insoluble in saturated saline, aqueous solution was strongly acidic reaction. |
598-02-7 - Risk and Safety
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R39/23/24/25 - R23/24/25 - Toxic by inhalation, in contact with skin and if swallowed. R11 - Highly Flammable |
| 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. S36 - Wear suitable protective clothing. 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. |
| RTECS | TC0665000 |
| HS Code | 29199000 |
598-02-7 - Preparation solution concentration reference
| 1mg | 5mg | 10mg | |
|---|---|---|---|
| 1 mM | 6.489 ml | 32.446 ml | 64.893 ml |
| 5 mM | 1.298 ml | 6.489 ml | 12.979 ml |
| 10 mM | 0.649 ml | 3.245 ml | 6.489 ml |
| 5 mM | 0.13 ml | 0.649 ml | 1.298 ml |
Last Update：2024-01-02 23:10:35
598-02-7 - Reference Information
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| biological activity | dietyl phosphate (DEP, DPF, dietyl phosphonic acid, dietyl phosphate) it is a non-specific metabolite of organophosphorus pesticides in the intestinal environment, which can significantly enrich the conditional pathogenic bacteria, resulting in a reduction of interleukin-6 (IL-6). |
| Target | Value |
| Use | used as extractant, solvent, polymerization catalyst. The product was toxic. |
| production method | is obtained by reacting diethyl phosphite with potassium permanganate. |
Last Update：2024-04-10 22:29:15
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