| Identification | Back Directory | [Name]
2-METHYL-1,5-HEXADIENE | [CAS]
4049-81-4 | [Synonyms]
2-METHYLDIALLYL
Methylhexadiene
5-Methyldiallyl
CH2=C(CH3)CH2CH2CH=CH2
-Methyl -1,5-hexadiene
2-METHYL-1,5-HEXADIENE
2-methyl-hexa-1,5-diene
2-Methyl-1,5-hexadiene>
SYM-VINYLISOPROPENYLETHANE
2-METHYL-1,5-HEXADIENE 99%
2-METHYL-1,5-HEXADIENE 97+%
2-Methyldiallyl
sym-Vinylisopropenylethane | [EINECS(EC#)]
223-751-8 | [Molecular Formula]
C7H12 | [MDL Number]
MFCD00008603 | [MOL File]
4049-81-4.mol | [Molecular Weight]
96.17 |
| Chemical Properties | Back Directory | [Melting point ]
-128.8°C | [Boiling point ]
92 °C(lit.)
| [density ]
0.712 g/mL at 25 °C(lit.)
| [vapor density ]
>1 (vs air)
| [refractive index ]
n20/D 1.417(lit.)
| [Fp ]
10 °F
| [form ]
clear liquid | [color ]
Colorless to Almost colorless | [CAS DataBase Reference]
4049-81-4 |
| Hazard Information | Back Directory | [General Description]
2-Methyl-1,5-hexadiene on mercury-photosensitized irradiation, undergoes internal cycloaddition to afford 1-methylbicyclo[2.1.1]hexane (as major product). High-temperature pyrolysis of 2-methyl-1,5-hexadiene affords 1,5-hexadiene and 2,5-dimethyl-1,5-hexadiene. 2-Methyl-1,5-hexadiene undergoes stereoselective and regioselective reaction with dialkylaluminum chloride (Et2AlCl) and titanium alkoxide [Ti(OPr-i)4, a catalyst] followed by oxidation to afford the corresponding five-membered 3-alkylcycloalkyl methanol. 2-Methyl-1,5-hexadiene is formed as a major product during the condensation reaction between allyl chloride and methallyl chloride in the presence of magnesium. |
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