Crotyl Bromide
Also known as: 1-Bromo-2-butene, 2-Butenyl bromide, 4-Bromo-2-butene, Crotonyl bromide, CIS,TRANS-1-BROMO-2-BUTENE, CIS,TRANS-CROTYL BROMIDE, 1-bromo-but-2-ene, 1-bromobut-2-ene, 1-Crotyl bromide, NSC 20942, MFCD00000248, EINECS 225-332-5
Crotyl Bromide (CAS 4784-77-4) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C4H7Br and a molecular weight of 135.00200 g/mol. Key properties include a boiling point of 97-99 °C(lit.), a density of 1.312 g/mL at 25 °C(lit.) and a flash point of 11 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4784-77-4
- Jingsj CID
- J-18492-4
- Molecular Formula
- C4H7Br
- Molecular Weight
- 135.00200 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 97-99 °C(lit.) |
|---|---|
| Density | 1.312 g/mL at 25 °C(lit.) |
| Flash Point | 11 °C |
| Exact Mass | 133.97300 |
| LogP | 1.95740 |
| Refractive Index | n20/D 1.480(lit.) |
Frequently Asked Questions
What is the CAS number of Crotyl Bromide?
The CAS number of Crotyl Bromide is 4784-77-4.
What are the molecular formula and molecular weight of Crotyl Bromide?
Crotyl Bromide has molecular formula C4H7Br and molecular weight 135.00200 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Crotyl Bromide (CAS 4784-77-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-18492-4 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.