methyl 2-oxopropanoate
Methyl pyruvate
CAS: 600-22-6
Molecular Formula: C4H6O3
methyl 2-oxopropanoate - Names and Identifiers
methyl 2-oxopropanoate - Physico-chemical Properties
| Molecular Formula | C4H6O3 |
| Molar Mass | 102.09 |
| Density | 1.13 g/mL at 25 °C (lit.) |
| Melting Point | -22 °C |
| Boling Point | 134-137 °C (lit.) |
| Flash Point | 103°F |
| Water Solubility | Soluble in chloroform, methanol, ether, alcohol. Slightly soluble in water. |
| Solubility | ethanol: soluble1.1g/10 mL, clear, colorless to almost colorless |
| Vapor Presure | 7.7mmHg at 25°C |
| Appearance | liquid |
| Color | yellow cast |
| Merck | 14,8021 |
| BRN | 1361953 |
| Storage Condition | 2-8°C |
| Refractive Index | n20/D 1.404(lit.) |
| Physical and Chemical Properties | Colorless liquid. Boiling point 136-137 °c. |
| Use | Used as raw materials for medicine and pesticide intermediates |
methyl 2-oxopropanoate - Risk and Safety
| Risk Codes | 10 - Flammable |
| Safety Description | S23 - Do not breathe vapour. S24/25 - Avoid contact with skin and eyes. S16 - Keep away from sources of ignition. |
| UN IDs | UN 3272 3/PG 3 |
| WGK Germany | 3 |
| FLUKA BRAND F CODES | 10-21 |
| HS Code | 29183000 |
| Hazard Class | 3 |
| Packing Group | III |
methyl 2-oxopropanoate - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| use | for organic synthesis. Used as raw materials and pesticide intermediates for medicine |
| production method | 88g(1mol) of newly steamed pyruvate, 128g(4mol) of anhydrous methanol, 350ml and 0.2g of p-toluenesulfonic acid are heated and refluxed together overnight. during the continuous addition and flow process, the refluxing liquid is stratified and the lower liquid is continuously released until the refluxing liquid is tested for stratification. The reaction liquid was fractionated and the fraction at 136-140 ℃ was collected to obtain methyl pyruvate with a yield of 65-71%. |
Last Update：2024-04-10 22:29:15
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