Methyl 2-chloropropionate
Pharmaceutical Materials 2025-03-03
CAS Number: 17639-93-9
Molecular Formula: C4H7ClO2
Molecular Weight: 122.55 g/mol
Appearance: Colorless or transparent liquid
Usage: Mainly used as an intermediate in pesticides and pharmaceuticals.
| Attribute | Description |
|---|---|
| Name | Methyl 2-chloropropionate |
| CAS Number | 598-55-0 |
| Chemical Formula | C4H7ClO2 |
| Molecular Weight | 122.55 g/mol |
| Synonyms | 2-Chloropropionic acid methyl ester, Methyl ester of 2-chloropropionic acid, α-Chloroisobutyric acid methyl ester |
| Physical State | Colorless to light yellow liquid with a pungent odor |
| Density | 1.16 g/mL at 25°C |
| Refractive Index | 1.4200-1.4220 at 20°C |
| Boiling Point | 140-142°C (lit.) |
| Flash Point | 43°C (closed cup) |
| Solubility | Soluble in organic solvents such as ether, acetone, and benzene Slightly soluble in water |
| Chemical Properties | Ester of 2-chloropropionic acid Reacts with bases to form salts and alcohols Undergoes hydrolysis to produce 2-chloropropionic acid and methanol |
| Applications | Used as a solvent and intermediate in organic synthesis Employed in the production of herbicides and pesticides |
| Production Methods | Prepared by the esterification of 2-chloropropionic acid with methanol Alternatively, produced by the reaction of chloroacetic acid with isopropyl chloride followed by esterification |
| Safety Hazards | Irritating to eyes and skin May cause respiratory irritation Keep away from heat, sparks, and open flames Use in a well-ventilated area and wear appropriate personal protective equipment |
| Storage Conditions | Store in a cool, dry place Keep container tightly closed and protected from light |
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