25542-62-5
Ethyl 6-bromohexanoate
CAS: 25542-62-5
Molecular Formula: C8H15BrO2
25542-62-5 - Names and Identifiers
| Name | Ethyl 6-bromohexanoate |
| Synonyms | ETHYL 6-BROMOCAPROATE ETHYL W-BROMOCAPROATE ethyl 6-bromocapronate Ethyl 6-bromohexanoate ETHYL 6-BROMOHEXANOATE ETHYL 6-BROMOCAPRONATE ETHYL OMEGA-BROMOCAPROATE 6-BROMOCAPROIC ACID ETHYL ESTER 6-Bromohexanoic acid ethyl ester 6-BROMOHEXANOIC ACID ETHYL ESTER |
| CAS | 25542-62-5 |
| EINECS | 247-085-2 |
| InChI | InChI=1/C8H15BrO2/c1-2-11-8(10)6-4-3-5-7-9/h2-7H2,1H3 |
25542-62-5 - Physico-chemical Properties
| Molecular Formula | C8H15BrO2 |
| Molar Mass | 223.11 |
| Density | 1.254 g/mL at 25 °C (lit.) |
| Melting Point | 33°C |
| Boling Point | 128-130 °C/16 mmHg (lit.) |
| Flash Point | 137°F |
| Water Solubility | Soluble in water (water, 64.76 mg/L @ 25°C (est.)). |
| Vapor Presure | 0.0231mmHg at 25°C |
| Appearance | Powder or Granular Powder |
| Color | White to slightly beige |
| BRN | 1756051 |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | n20/D 1.458(lit.) |
25542-62-5 - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S37/39 - Wear suitable gloves and eye/face protection |
| UN IDs | UN 3272 3/PG 3 |
| WGK Germany | 3 |
| FLUKA BRAND F CODES | 19 |
| HS Code | 29159000 |
| Hazard Class | 3 |
| Packing Group | III |
25542-62-5 - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| production method | 1. preparation method: w-bromocaproic acid (3): 150mL of hydrobromic acid, 35mL of concentrated sulfuric acid, 28.5g(0.25mol) of caprolactone (2) are added to a reaction bottle equipped with a stirrer, a thermometer and a reflux condenser. Slowly heat up to room temperature and leave for 2 hours. Then the boiling water bath was stirred for 4 hours. Cool, slowly pour into 300g of crushed ice and stir well. The organic layer is separated, the water layer is saturated with ammonium sulfate, and the ether is extracted (50mL × 4). The base layer is combined, washed twice with saturated ammonium sulfate aqueous solution, and dried with anhydrous sodium sulfate. Ether is steamed out to obtain crude w-bromocaproic acid (3). Ethyl 6-bromohexanoate (1): add the above compound (3), absolute ethanol 85mL, concentrated sulfuric acid 2mL, stirring and reflux for 8 hours in a reaction bottle equipped with a stirrer and reflux condenser. Evaporate the ethanol. After cooling, 100mL of ether was added and washed with water and 5% sodium carbonate aqueous solution. Dry anhydrous sodium sulfate and steam out ether first. After decompression distillation, the fraction of 120~124 ℃/1.86kPa was collected to obtain 28g of ethyl 6-bromocaproate (1) with a 50% yield. [1] |
Last Update：2024-04-10 22:29:15
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