Bromocyclohexane
Cyclohexyl bromide
CAS: 108-85-0
Molecular Formula: C6H11Br
Bromocyclohexane - Names and Identifiers
| Name | Cyclohexyl bromide |
| Synonyms | Bromocylohexane Cyclohexylbromid BROMOCYCLOHEXANE Bromocyclohexane bromo-cyclohexan Bromo cyclohexane 1-Bromocyclohexane Cyclohexyl bromide Cyclohexane,bromo- Cyelohexyl bromide CYCLOHEXYL BROMIDE BROMOCYCLOHEXANE FOR SYNTHESIS |
| CAS | 108-85-0 |
| EINECS | 203-622-2 |
| InChI | InChI=1/C6H11Br/c7-6-4-2-1-3-5-6/h6H,1-5H2 |
| InChIKey | AQNQQHJNRPDOQV-UHFFFAOYSA-N |
Bromocyclohexane - Physico-chemical Properties
| Molecular Formula | C6H11Br |
| Molar Mass | 163.06 |
| Density | 1.324 g/mL at 25 °C (lit.) |
| Melting Point | -57°C |
| Boling Point | 166-167 °C (lit.) |
| Flash Point | 145°F |
| Water Solubility | insoluble |
| Solubility | H2O: insoluble |
| Vapor Presure | 3.01mmHg at 25°C |
| Vapor Density | 5.62 (vs air) |
| Appearance | Liquid |
| Specific Gravity | approximate 1.33 (20℃) |
| Color | Clear colorless to light yellow |
| Odor | Unpleasant Odor |
| Merck | 14,2730 |
| BRN | 1098373 |
| Storage Condition | Sealed in dry,Room Temperature |
| Stability | Stable. Combustible. Incompatible with strong oxidizing agents, strong bases. |
| Sensitive | Air & Light Sensitive |
| Refractive Index | n20/D 1.495(lit.) |
| Physical and Chemical Properties | Density 1.324 boiling point 166-167°C refractive index 1.494-1.496 flash point 62°C water-soluble insoluble |
| Use | Used as an intermediate in organic synthesis |
Bromocyclohexane - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R20 - Harmful by inhalation R18 - In use may form flammable/explosive vapor-air mixture R52 - Harmful to aquatic organisms |
| Safety Description | S23 - Do not breathe vapour. S24/25 - Avoid contact with skin and eyes. 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. |
| WGK Germany | 3 |
| RTECS | GU7171700 |
| FLUKA BRAND F CODES | 8 |
| TSCA | Yes |
| HS Code | 29035990 |
Bromocyclohexane - Reference Information
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Application | bromocyclohexane is a hydrocarbon compound, which can be used as an important organic synthesis intermediate and solvent, and can be used to synthesize photoinitiators, grignard reagent, cyclooxygenase inhibitor, but also can be used as a chain transfer agent of the external heavy atom micro-blocking agent and alkylating agent. |
| preparation | add 0.1mol of potassium bromide and a certain amount of cyclohexanol, deionized water to a ground-necked flask with a reflux condenser, heating was performed on a magnetic heating stirrer, and concentrated sulfuric acid was slowly added dropwise under stirring, and the addition was completed for 20min. After Reflux reaction for a certain period of time, stop heating, Add 30ml of water from the condenser tube, dissolve all the salt generated in the reaction bottle in water, and pour the material in the reaction bottle into the separating funnel for liquid separation, the organic phase was washed with saturated sodium bicarbonate solution and then washed with water until neutral to obtain a crude product, which was analyzed by gas chromatography without any by-products. The crude product was dried over anhydrous magnesium sulfate, the fractions from 166 °c to 167 °c were collected to give a pale yellow liquid product, bromocyclohexane. |
| Use | organic synthesis intermediates. used in organic synthesis used as intermediate in organic synthesis |
| production method | obtained by the reaction of cycloethanol with bromic hydrogen acid: cycloethanol and 48% hydrobromic acid were heated and refluxed for 6H. A small amount of water was added to the reaction mixture, and the lower organic phase was separated and dried with anhydrous calcium chloride. Distillation, the 163-165 °c fraction was collected as the finished product. Yield 74%. Purposes: intermediates in organic synthesis. |
Last Update：2024-04-09 15:16:45
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