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Cis-2-Butene
CAS: 590-18-1 | C4H8
2D Structure
3D Structure
Loading 3D structure...
Basic Information
CAS Registry Number:
590-18-1
Molecular Formula:
C4H8
Molecular Mass:
56.11 g/mol
Names and Synonyms:
Cis-2-Butene
2-Butene, (2Z)-
2-Butene, (Z)-
(2Z)-2-Butene
cis-2-Butylene
cis-1,2-Dimethylethylene
cis-2-Butene
(Z)-2-Butene
β-cis-Butylene
cis-Butene
Z-Butene
Identifiers:
SMILES:
C/C=CC
InChI:
InChI=1S/C4H8/c1-3-4-2/h3-4H,1-2H3/b4-3-
Key Properties
Boiling Point
3.7 °C
CAS Common Chemistry
Melting Point
-138.9 °C
CAS Common Chemistry
Density
0.62 g/cm³
CAS Common Chemistry
Spectral Data
NMR, IR, and Mass spectral data
1H NMR
13C NMR
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.
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 56.11 g/mol | CAS Common Chemistry |
| 56.108000000000004 g/mol | RDKit | |
| 56.062600255999996 g/mol | RDKit | |
| Density | 0.62 g/cm³ | CAS Common Chemistry |
| 0.616 g/cm3 | CAS Common Chemistry | |
| Boiling Point | 3.7 °C | CAS Common Chemistry |
| Canonical SMILES | C(=CC)C | CAS Common Chemistry |
| InChI | InChI=1S/C4H8/c1-3-4-2/h3-4H,1-2H3/b4-3- | CAS Common Chemistry |
| InChI Key | InChIKey=IAQRGUVFOMOMEM-ARJAWSKDSA-N | CAS Common Chemistry |
| Melting Point | -138.9 °C | CAS Common Chemistry |
| Name | cis-2-Butene | CAS Common Chemistry |
| Heavy Atom Count | 4 | RDKit |
| Hydrogen Bond Acceptors | 0 | RDKit |
| Hydrogen Bond Donors | 0 | RDKit |
| Rotatable Bonds | 0 | RDKit |
| Aromatic Ring Count | 0 | RDKit |
| Topological Polar Surface Area | 0.0 Ų | RDKit |
| LogP | 1.5824 | RDKit |
| Molar Refractivity | 20.487999999999996 | RDKit |