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1-Bromo-2-Butene
CAS: 4784-77-4 | C4H7Br
2D Structure
3D Structure
Loading 3D structure...
Basic Information
CAS Registry Number:
4784-77-4
Molecular Formula:
C4H7Br
Molecular Mass:
135.00 g/mol
Names and Synonyms:
1-Bromo-2-Butene
2-Butene, 1-bromo-
1-Bromo-2-butene
Crotyl bromide
2-Butenyl bromide
Crotonyl bromide
4-Bromo-2-butene
NSC 20942
1-Bromomethylprop-1-ene
Identifiers:
SMILES:
CC=CCBr
InChI:
InChI=1S/C4H7Br/c1-2-3-4-5/h2-3H,4H2,1H3
Key Properties
Boiling Point
104.5 °C
CAS Common Chemistry
Density
1.34 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 | 135.00 g/mol | CAS Common Chemistry |
| 135.004 g/mol | RDKit | |
| 133.973112324 g/mol | RDKit | |
| Density | 1.34 g/cm³ | CAS Common Chemistry |
| 1.3357 g/cm3 @ Temp: 25 °C | CAS Common Chemistry | |
| Boiling Point | 104.5 °C | CAS Common Chemistry |
| Canonical SMILES | BrCC=CC | CAS Common Chemistry |
| InChI | InChI=1S/C4H7Br/c1-2-3-4-5/h2-3H,4H2,1H3 | CAS Common Chemistry |
| InChI Key | InChIKey=AVMHMVJVHYGDOO-UHFFFAOYSA-N | CAS Common Chemistry |
| Name | 1-Bromo-2-butene | 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 | 1.9574 | RDKit |
| Molar Refractivity | 28.60799999999999 | RDKit |
