Methyl 4-chloro-4-oxobutanoate
Synonym(s):3-(Carbomethoxy)propionyl chloride;Methyl 3-(chloroformyl)propionate;Methyl succinyl chloride;Succinic acid monomethylester chloride
- CAS NO.：1490-25-1
- Empirical Formula: C5H7ClO3
- Molecular Weight: 150.56
- MDL number: MFCD00000750
- EINECS: 216-077-0
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-12 09:14:19
What is Methyl 4-chloro-4-oxobutanoate?
Chemical properties
Clear colorless to pale yellow liquid
Synthesis Reference(s)
Journal of the American Chemical Society, 75, p. 3339, 1953 DOI: 10.1021/ja01110a014
Organic Syntheses, Coll. Vol. 3, p. 169, 1955
Properties of Methyl 4-chloro-4-oxobutanoate
| Melting point: | 174-176 °C(Solv: N,N-dimethylformamide (68-12-2)) |
| Boiling point: | 58-65 °C3 mm Hg(lit.) |
| Density | 1.230 g/mL at 20 °C |
| refractive index | n |
| Flash point: | 165 °F |
| storage temp. | Inert atmosphere,2-8°C |
| form | Liquid |
| Specific Gravity | 1.223 |
| color | Colorless to pale yellow |
| BRN | 970397 |
| CAS DataBase Reference | 1490-25-1(CAS DataBase Reference) |
| EPA Substance Registry System | Butanoic acid, 4-chloro-4-oxo-, methyl ester (1490-25-1) |
Safety information for Methyl 4-chloro-4-oxobutanoate
| Signal word | Danger |
| Pictogram(s) |
 Corrosion Corrosives GHS05 |
| GHS Hazard Statements |
H314:Skin corrosion/irritation |
| Precautionary Statement Codes |
P280:Wear protective gloves/protective clothing/eye protection/face protection. P363:Wash contaminated clothing before reuse. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. |
Computed Descriptors for Methyl 4-chloro-4-oxobutanoate
Methyl 4-chloro-4-oxobutanoate manufacturer
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product: Methyl 4-Chloro-4-Oxobutyrate >98%
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