3,3-Dimethylallyl bromide
Also known as: 1-Bromo-3-methyl-2-butene, Prenyl bromide, 3-Methyl-2-buten-1-yl bromide, 4-Bromo-2-methyl-2-butene, Isoprenyl bromide, 3-Methylcrotyl bromide, Dimethylallyl bromide, 3-Methyl-2-butenyl bromide, 1-bromo-3-methylbut-2-ene
3,3-Dimethylallyl bromide (CAS 870-63-3) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C5H9Br and a molecular weight of 149.029 g/mol. Key properties include a boiling point of 132.6±0.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 32.8±0.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 870-63-3
- Jingsj CID
- J-1402923-3
- Molecular Formula
- C5H9Br
- Molecular Weight
- 149.029 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 132.6±0.0 °C at 760 mmHg |
|---|---|
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 32.8±0.0 °C |
| Exact Mass | 147.988754 |
| LogP | 2.86 |
| Vapor Pressure | 10.8±0.2 mmHg at 25°C |
| Refractive Index | 1.470 |
Customs & Trade Information
| HS Code | 2903399090 |
|---|---|
| Summary | 2903399090. brominated,fluorinated or iodinated derivatives of acyclic hydrocarbons. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 3,3-Dimethylallyl bromide?
The CAS number of 3,3-Dimethylallyl bromide is 870-63-3.
What are the molecular formula and molecular weight of 3,3-Dimethylallyl bromide?
3,3-Dimethylallyl bromide has molecular formula C5H9Br and molecular weight 149.029 g/mol.
What are the upstream and downstream products of 3,3-Dimethylallyl bromide?
For 3,3-Dimethylallyl bromide, Upstream Products: 3-Methyl-2-buten-1-ol, 2-Methyl-3-buten-2-ol, tert-Butyl methyl ether; Downstream Products: 6-bromo-4,4-dimethylthiochroman, 1-(Phenylsulfonyl)-1H-indole, tributyl(3-methyl-2-butenyl)tin.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3,3-Dimethylallyl bromide (CAS 870-63-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1402923-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.