2-Bromopropene
Also known as: 2-Bromo-1-propene, Isopropenyl bromide, 2-Bromoprop-1-ene, 1-Propene, 2-bromo-, α-Methylvinyl bromide, 2-Bromopropylene
2-Bromopropene (CAS 557-93-7) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C3H5Br and a molecular weight of 120.976 g/mol. Key properties include a melting point of -87°C, a boiling point of 48.4±0.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 4.4±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 557-93-7
- Jingsj CID
- J-47926-5
- Molecular Formula
- C3H5Br
- Molecular Weight
- 120.976 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -87°C |
|---|---|
| Boiling Point | 48.4±0.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 4.4±0.0 °C |
| Exact Mass | 119.957458 |
| LogP | 2.16 |
| Vapor Pressure | 324.2±0.0 mmHg at 25°C |
| Refractive Index | 1.452 |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Frequently Asked Questions
What is the CAS number of 2-Bromopropene?
The CAS number of 2-Bromopropene is 557-93-7.
What are the molecular formula and molecular weight of 2-Bromopropene?
2-Bromopropene has molecular formula C3H5Br and molecular weight 120.976 g/mol.
Is 2-Bromopropene hazardous?
2-Bromopropene has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
What are the upstream and downstream products of 2-Bromopropene?
For 2-Bromopropene, Upstream Products: 1,2-Dibromopropane, 2,3-Dibromo-2-methylpropanoic acid, 1,4-Dibromobutane; Downstream Products: 1-Pentene,2,3-dimethyl-, 1,3,3-Trimethyl-1-phenylindan, 1,2,2-tribromopropane.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-Bromopropene (CAS 557-93-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-47926-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.