Cyclohexene
CAS Number: 110-83-8
Chemical Formula: C6H10
Synonyms: Cyclohexene
Appearance: Colorless liquid
HS Code: 29021990
MOQ (Minimum Order Quantity): 1 FCL (Full Container Load)
Products Description of Cyclohexene CAS# 110-83-8
Cyclohexene is a cyclic olefin. It appears as a colorless, flammable liquid with a distinctive pungent odor under room temperature. Prolonged exposure to air may lead to oxidation and formation of peroxides. It occurs naturally in coal tar and dissolves readily in organic solvents including acetone, carbon tetrachloride, benzene, diethyl ether, ethanol, and hexane. It can form binary azeotropic mixtures with lower alcohols, acetic acid, and other compounds. Cyclohexene exhibits typical olefin properties. It decomposes rapidly under sunlight or ultraviolet irradiation in the presence of uranium salts. It remains stable when heated for a long duration at 200°C in a sealed tube, and converts into benzene and naphthalene at temperatures between 400°C and 500°C.
Parameters
| Parameter | Value |
| Melting point | −104 °C (lit.) |
| Boiling point | 83 °C (lit.) |
| density | 0.811 g/mL at 25 °C (lit.) |
| vapor density | 2.8 (vs air) |
| vapor pressure | 160 mm Hg (20 °C) |
| refractive index | n 20/D 1.446(lit.) |
| Fp | 10 °F |
| storage temp. | Store below +30°C. |
| solubility | water: insoluble |
| form | Liquid |
| color | Clear colorless |
| Specific Gravity | 0.811 |
| PH | 7-8 (0.2g/l, H2O, 20℃) |
| explosive limit | 1.2-7.7%(V) |
| Water Solubility | insoluble |
| Merck | 14,2727 |
| BRN | 906737 |
| Henry’s Law Constant | 3.85 x 10^-2 atm·m³/mol at 25 °C (Nielsen et al., 1994) |
| Exposure limits | TLV-TWA 300 ppm (～1015 mg/m³) (ACGIH, OSHA, and NIOSH); IDLH 10,000 ppm (NIOSH). |
| Dielectric constant | 18.3（20℃） |
| Stability: | Stable in the absence of air – may form peroxides in storage. Incompatible with oxidizing agents. Highly flammable. |
| InChIKey | HGCIXCUEYOPUTN-UHFFFAOYSA-N |
| LogP | 2.99 at 25℃ |
| CAS DataBase Reference | 110-83-8(CAS DataBase Reference) |
| NIST Chemistry Reference | Cyclohexene(110-83-8) |
| EPA Substance Registry System | Cyclohexene (110-83-8) |
Safety Information
| Item | Details |
| Hazard Codes | F,Xn |
| Risk Statements | 11-21/22-65 |
| Safety Statements | 16-29-33-36/37-62 |
| RIDADR | UN 2256 3/PG 2 |
| OEB | A |
| OEL | TWA: 300 ppm (1015 mg/m3) |
| WGK Germany | 1 |
| RTECS | GW2500000 |
| Autoignition Temperature | 590 °F |
| TSCA | Yes |
| HazardClass | 3 |
| PackingGroup | II |
| HS Code | 29021990 |
| Hazardous Substances Data | 110-83-8(Hazardous Substances Data) |
| Toxicity | LD50 orally in Rabbit: 1300 mg/kg |
| IDLA | 2,000 ppm |
Product Application of Cyclohexene CAS# 110-83-8
Used in organic synthesis and also as a solvent
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