1678-91-7
Ethylcyclohexane
CAS: 1678-91-7
Molecular Formula: C8H16
1678-91-7 - Names and Identifiers
| Name | Ethylcyclohexane |
| Synonyms | Ethylcyclohexa ETHYLCYCLOHEXAN Athylcyclohexan Ethylcyclohexane ETHYLCYCLOHEXANE CYCLOHEXYLETHANE cyclohexane,ethyl- cyclohexane, ethyl- C8 H16, Ethylcyclohexane |
| CAS | 1678-91-7 |
| EINECS | 216-835-0 |
| InChI | InChI=1/C8H16/c1-2-8-6-4-3-5-7-8/h8H,2-7H2,1H3 |
1678-91-7 - Physico-chemical Properties
| Molecular Formula | C8H16 |
| Molar Mass | 112.21 |
| Density | 0.788 g/mL at 25 °C (lit.) |
| Melting Point | -111 °C (lit.) |
| Boling Point | 130-132 °C (lit.) |
| Flash Point | 66°F |
| Water Solubility | INSOLUBLE |
| Vapor Presure | 25 mm Hg ( 37.7 °C) |
| Appearance | Liquid |
| Color | Clear colorless |
| BRN | 1900337 |
| Storage Condition | Flammables area |
| Explosive Limit | 6.6% |
| Refractive Index | n20/D 1.432(lit.) |
| Physical and Chemical Properties | Character: colorless transparent liquid. melting point -111.31 ℃ boiling point 131.8 ℃ relative density 0.7880 refractive index 1.4330 flash point 35 ℃ solubility insoluble in water, with alcohol, ether, acetone and benzene, carbon tetrachloride miscible. |
| Use | It is used as a raw material for organic synthesis, as a solvent, as a standard substance for chromatographic analysis, etc., and also as a metal surface treatment agent |
1678-91-7 - Risk and Safety
| Risk Codes | R11 - Highly Flammable R65 - Harmful: May cause lung damage if swallowed |
| Safety Description | S9 - Keep container in a well-ventilated place. S16 - Keep away from sources of ignition. S29 - Do not empty into drains. S33 - Take precautionary measures against static discharges. S62 - If swallowed, do not induce vomitting; seek medical advice immediately and show this container or label. |
| UN IDs | UN 1993 3/PG 2 |
| WGK Germany | 3 |
| HS Code | 29021990 |
| Hazard Class | 3.1 |
| Packing Group | II |
1678-91-7 - Nature
Open Data Verified Data
colorless transparent liquid, melting point -111. 31 °c. Boiling point 131.8 °c. The relative density was 0.7880. Refractive index 4330. Flash point 35 °c. Spontaneous ignition point 262. The vapor pressure was 13. 33kPa at 20 °c. Combustion calorific value 4873770J/mol. Insoluble in water, with alcohol, ether, acetone and benzene, carbon tetrachloride miscible.
Last Update：2025-06-10 22:55:16
1678-91-7 - Preparation Method
Open Data Verified Data
ethylbenzene is obtained by hydrogenation at 200~300 ° C. Under the catalysis of nickel or platinum.
Last Update：2022-01-01 10:38:18
1678-91-7 - Application
Open Data Verified Data
A raw material for organic synthesis, used as a solvent, a standard substance for chromatographic analysis, and the like. It is also used as a metal surface treatment agent.
Last Update：2025-08-19 16:24:40
1678-91-7 - Safety
Open Data Verified Data
- the toxicity is lower than that of benzene, toluene and xylene. The maximum allowable concentration in the workplace is 500 × 10 -6.
- this product should be galvanized iron barrel, 150kg/barrel. This product is a Class II flammable liquid. Should be stored in a cool, ventilated warehouse, away from the fire source, heat source, to prevent sun exposure, should be stored separately with the oxidant, light handling light unloading, to prevent damage. Railway hazard Code No. 62006.
Last Update：2025-06-10 22:55:16
1678-91-7 - Reference Information
| LogP | 4.56 at 25℃ |
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| Use | Used as a raw material for organic synthesis, used as a solvent, chromatographic analysis standard substance, etc., and also used as a metal surface treatment agent Organic synthesis source. Used as solvent, chromatographic analysis standard substance, etc. Also used as metal surface treatment agent, |
| Production method | Ethylbenzene is hydrogenated at 200-300°C under nickel or platinum catalysis. |
| spontaneous combustion temperature | 504 °F |
Last Update：2024-04-10 22:29:15
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