591-49-1
| Name | 1-METHYL-1-CYCLOHEXENE |
| CAS | 591-49-1 |
| EINECS(EC#) | 209-718-0 |
| Molecular Formula | C7H12 |
| MDL Number | MFCD00001548 |
| Molecular Weight | 96.17 |
| MOL File | 591-49-1.mol |
Chemical Properties
| Appearance | colourless liquid |
| Melting point | -119.4°C |
| Boiling point | 110-111 °C (lit.) |
| density | 0.811 g/mL at 20 °C(lit.) |
| vapor pressure | 27.4 at 20.2 °C, 36.4 at 25.0 °C (transpiration method, Verevkin et al., 2000) |
| refractive index | n |
| Fp | 25 °F |
| storage temp. | Flammables area |
| solubility | Soluble in benzene and ether (Weast, 1986) and miscible with many hydrocarbons similar in chemical structure, e.g., cyclohexane, cyclohexene, etc. |
| form | Liquid |
| color | Clear colorless |
| Odor | at 1.00 % in dipropylene glycol. lime citrus |
| Stability: | Stable, but may be prone to polymerization. May be stabilized by the addition of around 10 ppm hydroquinone. Highly flammable. Incompatible with strong oxidizing agents. |
| Odor Type | citrus |
| Water Solubility | 52 mg/kg at 25 °C (shake flask-GC, McAuliffe, 1966) |
| BRN | 1304483 |
| Henry's Law Constant | 8.86 x 10-2 atm?m3/mol at 25 °C (approximate - calculated from water solubility and vapor pressure) |
| InChI | 1S/C7H12/c1-7-5-3-2-4-6-7/h5H,2-4,6H2,1H3 |
| InChIKey | CTMHWPIWNRWQEG-UHFFFAOYSA-N |
Safety Data
| Symbol(GHS) |    GHS02,GHS07,GHS08 |
| Signal word | Danger |
| Hazard statements | H225-H304-H315 |
| Precautionary statements | P210-P233-P240-P301+P310-P303+P361+P353-P331 |
| Hazard Codes | F,Xn,Xi |
| Risk Statements | |
| Safety Statements | |
| RIDADR | UN 3295 3/PG 2 |
| WGK Germany | 2 |
| Hazard Note | Irritant |
| TSCA | Yes |
| HazardClass | 3 |
| PackingGroup | II |
| HS Code | 29021900 |
| Storage Class | 3 - Flammable liquids |
| Hazard Classifications | Asp. Tox. 1 Flam. Liq. 2 Skin Irrit. 2 |