cis-2-Hexene
- CAS NO.：7688-21-3
- Empirical Formula: C6H12
- Molecular Weight: 84.16
- MDL number: MFCD00066520
- EINECS: 231-697-1
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-09-12 18:49:11
What is cis-2-Hexene?
Chemical properties
Clear colorless liquid
The Uses of cis-2-Hexene
cis-2-Hexene is used as an organic chemical synthesis intermediate.
General Description
cis-2-Hexene is one of the isomeric forms of hexene. It is obtained from 2-hexyne, via semihydrogenation in the presence of Pd78(phen) [phen = 1,10-Phenanthroline] on titanium dioxide in n-octane. cis-2-Hexene is formed as one of the primary product from the dimerization of propylene in the presence of a nickel oxide-silica-alumina catalyst. It undergoes isomerization/hydrosilylation reaction with phenyl silane in the presence of cobalt catalyst to afford 1-hexylphenylsilane.
Purification Methods
Purify it as for 1-hexene above. [Beilstein 1 IV 833.]
Properties of cis-2-Hexene
| Melting point: | -141.15°C |
| Boiling point: | 68-70 °C(lit.) |
| Density | 0.669 g/mL at 25 °C(lit.) |
| refractive index | n |
| Flash point: | −5 °F |
| storage temp. | 2-8°C |
| form | Liquid |
| Specific Gravity | 0.684 |
| color | Clear colorless |
| Water Solubility | Immiscible in water. |
| BRN | 1719019 |
| CAS DataBase Reference | 7688-21-3 |
| EPA Substance Registry System | cis-2-Hexene (7688-21-3) |
Safety information for cis-2-Hexene
| Signal word | Danger |
| Pictogram(s) |
 Flame Flammables GHS02  Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H225:Flammable liquids H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for cis-2-Hexene
New Products
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