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Molecule
2-Pentene
CAS: 109-68-2 · C5H10
2D Structure
3D Structure
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Basic Information
- CAS Registry Number
- 109-68-2
- Molecular Formula
- C5H10
- Molecular Mass
- 70.14 g/mol
Identifiers
CAS Registry Number
109-68-2
SMILES
CC=CCC
InChI Key
QMMOXUPEWRXHJS-UHFFFAOYSA-N
InChI
InChI=1S/C5H10/c1-3-5-4-2/h3,5H,4H2,1-2H3
Names and Synonyms
- 2-Pentene Synonym
- NSC 7894 Synonym
- β-Amylene Synonym
- 2-Pentene Synonym
- β-n-Amylene Synonym
- sym-Methylethylethylene Synonym
- 1-Methyl-2-ethylethylene Synonym
- 3-Pentene Synonym
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 70.14 g/mol | CAS Common Chemistry |
| 70.135 g/mol | RDKit | |
| Density | 0.66 g/cm³ | CAS Common Chemistry |
| 0.6595 g/cm3 @ 11 °C | CAS Common Chemistry | |
| Boiling Point | 37 °C | CAS Common Chemistry |
| Canonical SMILES | C(=CCC)C | CAS Common Chemistry |
| InChI | InChI=1S/C5H10/c1-3-5-4-2/h3,5H,4H2,1-2H3 | CAS Common Chemistry |
| InChI Key | InChIKey=QMMOXUPEWRXHJS-UHFFFAOYSA-N | CAS Common Chemistry |
| Melting Point | -147 °C | CAS Common Chemistry |
| Name | 2-Pentene | CAS Common Chemistry |
| Heavy Atom Count | 5 | RDKit |
| Hydrogen Bond Acceptors | 0 | RDKit |
| Hydrogen Bond Donors | 0 | RDKit |
| Rotatable Bonds | 1 | RDKit |
| Aromatic Ring Count | 0 | RDKit |
| Topological Polar Surface Area | 0.0 Ų | RDKit |
| LogP | 1.9725 | RDKit |
| 1.84 | chempirical lib | |
| Molar Refractivity | 25.10499999999999 cm³/mol | RDKit |
| Ring Count | 0 | RDKit |
| Formal Charge | 0 | RDKit |
| Fraction Csp3 | 0.6 | RDKit |
| Exact Mass | 70.07825032 g/mol | RDKit |
Spectral Data
NMR, IR, and Mass spectral data
Predicting NMR spectra...
10 ppm
9
8
7
6
5
4
3
2
1
0 ppm
| Shift (ppm) | Multiplicity | Integration | Assignment |
|---|
200 ppm
180
160
140
120
100
80
60
40
20
0 ppm
| Shift (ppm) | DEPT | Assignment |
|---|
Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.
External Resources
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MW = 70.14 g/mol; density = 0.660 g/mL. Edit any field — others recompute live.
Related
Related molecules
Other compounds with formula C5H10.
