2-Bromo-3-methyl-2-butene
ALDRICH/371289 - 96%
CAS Number: 3017-70-7
Empirical Formula (Hill Notation): C5H9Br
Molecular Weight: 149.03
MDL Number: MFCD00191852
Linear Formula: (CH3)2C=C(Br)CH3
Product Type: Chemical
| assay | 96% |
| bp | 40 °C/75 mmHg (lit.) |
| contains | copper pellets as stabilizer |
| density | 1.284 g/mL at 25 °C (lit.) |
| form | liquid |
| functional group | alkyl halide |
| bromo | |
| InChI | 1S/C5H9Br/c1-4(2)5(3)6/h1 |
| InChI key | DBELOSOZLGEZBM-UHFFFAOYSA |
| Quality Level | 200 ![]() |
| refractive index | n |
| SMILES string | CC(C)=C(C)Br |
| Application: | 2-Bromo-3-methyl-2-butene may be used in the preparation of: • 2,3,4,5-tetramethyl-2,4 • 2-iodo-3-methyl-2-buten • diastereomers of 2-amino-3-hydroxy-4,5-dim • lithium reagent, 2-lithio-3-methylbut-2-en • D-allo-(2R,3R,4R)-2-amino-3-hydroxy-4,5-d |
| General description: | 2-Bromo-3-methyl-2-butene is a vinylic bromide compound. Palladium/di-1-adamantyl-n-butylphosphine-catalyzed reductive carbonylation of 2-bromo-3-methyl-2-butene has been reported. Cross-coupling reaction of 2-bromo-3-methyl-2-butene with potassium 6-(benzoyloxy)hexyltriflu |
| Packaging: | 5, 25 mL in glass bottle |
| Symbol | ![]() GHS02,GHS06 |
| Signal word | Danger |
| Hazard statements | H226 - H301 |
| Precautionary statements | P210 - P233 - P240 - P241 - P242 - P301 + P310 |
| Hazard Codes | Xn |
| Risk Statements | 10-22 |
| RIDADR | UN 1992 6.1(3) / PGIII |
| WGK Germany | WGK 3 |
| Flash Point(F) | 77.0 °F |
| Flash Point(C) | 25 °C |
| Purity | 96% |
| bp | 40 °C/75 mmHg (lit.) |
| Density | 1.284 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| UNSPSC | 12352100 |



