Amylene

Title: Amylene
CAS Registry Number: 513-35-9
CAS Name: 2-Methyl-2-butene
Additional Names: b-isoamylene; trimethylethylene
Molecular Formula: C5H10
Molecular Weight: 70.13
Percent Composition: C 85.63%, H 14.37%
Line Formula: (CH3)2C=CHCH3
Literature References: Prepd by dehydration of tert-amyl alcohol in the presence of p-toluenesulfonic acid: Applequist, Babad, J. Org. Chem. 27, 288 (1962); by disproportionation of isobutene with propylene or 2-butene: Banks, Regier, Ind. Eng. Chem. Prod. Res. Dev. 10, 46 (1971).
Properties: Liquid, bp 37.5-38.5°. Highly flammable, flash pt 0°F. d415 0.66. Disagreeable odor. Polymerizes on long standing. Practically insol in water. Miscible with alc, ether.
Boiling point: bp 37.5-38.5°
Flash point: flash pt 0°F
Density: d415 0.66
CAUTION: A simple asphyxiant.
Amylene Dichloride Amylin Amylocaine Hydrochloride Amyloid beta Peptide Amylpenicillin

Straight chain pentenes
1-pentene.svg
1-Pentene
Cis-2-pentene.svg
cis-2-Pentene
Trans-2-pentene.svg
trans-2-Pentene
Identifiers
CAS number 109-67-1 (1-pentene) YesY, 627-20-3 (cis-2-pentene) YesY, 646-04-8 (trans-2-pentene) YesY
Jmol-3D images Image 1
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Properties
Molecular formula C5H10
Molar mass 70.13 g mol−1
Density 0.64 g/cm3 (1-pentene)[1]
Melting point -165.2 °C (1-pentene)[1]
Boiling point 30 °C (1-pentene)[1]
Hazards
MSDS MSDS
 YesY (verify) (what is: YesY/N?)
Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
Infobox references

Pentene refers to all the alkenes with chemical formula C
5
H
10
. Each contains one double bond within its molecular structure. There are a total of six different compounds in this class, differing from each other by whether the carbon atoms are attached linearly or in a branched structure, and whether the double bond has a cis or trans form.