Methyl 2-hydroxypropanoate
Methyl lactate
CAS: 547-64-8
Molecular Formula: C4H8O3
Methyl 2-hydroxypropanoate - Names and Identifiers
Methyl 2-hydroxypropanoate - Physico-chemical Properties
| Molecular Formula | C4H8O3 |
| Molar Mass | 104.1 |
| Density | 1.093g/mLat 20°C(lit.) |
| Melting Point | -66°C |
| Boling Point | 35 °C (6 mmHg) |
| Specific Rotation(α) | [α]D20+1.410～+1.418 |
| Flash Point | 49 °C |
| Water Solubility | miscible, hydrolyses |
| Vapor Presure | 1.93mmHg at 25°C |
| Appearance | Liquid |
| Specific Gravity | 1.09 |
| Color | Clear colorless to pale yellow |
| Merck | 14,6094 |
| BRN | 1720586 |
| pKa | 13.07±0.20(Predicted) |
| Storage Condition | Flammables area |
| Sensitive | Moisture Sensitive |
| Refractive Index | n20/D 1.413 |
| Physical and Chemical Properties | Boiling Point: 35 at 6mm Hg density: 1.09 flash point: 49 |
| Use | Can be used as high boiling point solvent, detergent, synthetic raw materials for chemical industry and other industries |
Methyl 2-hydroxypropanoate - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | R10 - Flammable R36/37 - Irritating to eyes and respiratory system. |
| Safety Description | S24 - Avoid contact with skin. S24/25 - Avoid contact with skin and eyes. |
| UN IDs | UN 3272 3/PG 3 |
| WGK Germany | 1 |
| RTECS | OD5670000 |
| FLUKA BRAND F CODES | 21 |
| TSCA | Yes |
| HS Code | 29181100 |
| Hazard Class | 3.2 |
| Packing Group | III |
Methyl 2-hydroxypropanoate - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | methyl lactate can be used as high boiling point solvent, detergent, synthetic raw material, etc., and can be used as high boiling point solvent, detergent, synthetic raw material in chemical industry and other industries. can be used as a high boiling point solvent, detergent, synthetic raw material, etc. can be used as a high boiling point solvent, detergent, synthetic raw material used in chemical industry and other industries used as a solvent for cellulose, paint, dye pigment |
| production method | refining method: methyl lactate is easy to hydrolyze and often contains free lactic acid, methanol and water and other impurities. Free acid can be removed by alkali neutralization and washing. Moisture can be removed by azeotropic distillation of an azeotropic mixture with benzene. It is then distilled and refined under reduced pressure. Since calcium chloride and methyl lactate form molecular compounds, it cannot be used as a desiccant. When methyl lactate is mixed with water, it can be extracted and recovered by benzene, ether, etc. When mixed with other liquids, it is generally recovered by distillation. |
| category | flammable liquid |
| toxicity classification | low toxicity |
| acute toxicity | abdominal injection-rat LDL0: 2000 mg/kg |
| flammability hazard characteristics | flammable; spicy and irritating smoke emitted from the fire site |
| storage and transportation characteristics | warehouse ventilation and low temperature drying; separate from oxidant storage and transportation |
| fire extinguishing agent | dry powder, carbon dioxide, sand, foam, water |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 02:00:09
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