4-Bromobutanoic acid methyl ester
Methyl 4-bromobutyrate
CAS: 4897-84-1
Molecular Formula: C5H9BrO2
4-Bromobutanoic acid methyl ester - Names and Identifiers
| Name | Methyl 4-bromobutyrate |
| Synonyms | 4-broMo butyrate Methyl 4-bromobutyrate METHYL 4-BROMOBUTYRATE methyl 4-bromobutanoate METHYL 4-BROMOBUTANOATE METHYL 4-BROMO-N-BUTYRATE 4-BROMOBUTYRIC ACID METHYL ESTER 4-Bromobutyric acid methyl ester 4-Bromobutanoic acid methyl ester 4-BROMO-N-BUTYRIC ACID METHYL ESTER |
| CAS | 4897-84-1 |
| EINECS | 225-523-3 |
| InChI | InChI=1/C5H9BrO2/c1-8-5(7)3-2-4-6/h2-4H2,1H3 |
4-Bromobutanoic acid methyl ester - Physico-chemical Properties
| Molecular Formula | C5H9BrO2 |
| Molar Mass | 181.03 |
| Density | 1.434 |
| Melting Point | 175-190 °C |
| Boling Point | 186-187 °C |
| Flash Point | 186-187°C |
| Water Solubility | insoluble |
| Vapor Presure | 0.661mmHg at 25°C |
| Appearance | Liquid |
| Specific Gravity | 1.434 |
| Color | Clear colorless to pale yellow |
| BRN | 1745618 |
| Storage Condition | Keep in dark place,Sealed in dry,Room Temperature |
| Refractive Index | 1.4620 |
4-Bromobutanoic acid methyl ester - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R22 - Harmful if swallowed |
| Safety Description | S37/39 - Wear suitable gloves and eye/face protection S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S24/25 - Avoid contact with skin and eyes. |
| HS Code | 29156000 |
4-Bromobutanoic acid methyl ester - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| uses | methyl 4-bromobutyrate can be used to prepare cyclopropyl cyanide derivatives, which are important highly active compounds and are widely used in drug synthesis as pharmaceutical intermediates. |
| preparation | dissolve 5g of 4-bromobutyric acid in 100 mL of methanol, add 3.3 mL of thionyl chloride dropwise at room temperature, continue to react for 1 hour after dropping, remove the solvent and excess thionyl chloride under reduced pressure to obtain 5.4g of colorless liquid. The yield is 99.6%. |
Last Update：2024-04-09 15:16:46
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