METHYL 2-BROMO-2-BUTENOATE
Synonym(s):Methyl 2-bromocrotonate
- CAS NO.：17642-18-1
- Empirical Formula: C5H7BrO2
- Molecular Weight: 179.01
- MDL number: MFCD00042891
- EINECS: 241-627-1
- SAFETY DATA SHEET (SDS)
- Update Date: 2022-08-15 17:39:12
What is METHYL 2-BROMO-2-BUTENOATE?
General Description
Methyl 2-bromo-2-butenoate(Methyl (Z)-2-bromocrotonate) yields (S)-2-bromobutanoic acid by baker′s yeast fermentation. It undergoes biotransformation catalyzed by old yellow enzyme to yield methyl (S)-2-bromobutanoate, a key intermediate for the synthesis of chiral drugs. It is a biannelating reagent which participates in double Michael-additions.
Properties of METHYL 2-BROMO-2-BUTENOATE
| Boiling point: | 178-182 °C (lit.) |
| Density | 1.505 g/mL at 20 °C (lit.) |
| refractive index | n |
| Flash point: | 63 °C |
| storage temp. | 2-8°C |
| BRN | 1700999 |
Safety information for METHYL 2-BROMO-2-BUTENOATE
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for METHYL 2-BROMO-2-BUTENOATE
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