5-bromo-1-pentene
Also known as: 1-bromo-4-pentene, 4-pentenyl bromide, 5-bromopent-1-ene, 5-bromopentene, 3-pentenyl bromide, 1-pentene,5-bromo-
5-bromo-1-pentene (CAS 1119-51-3) 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 126.2±9.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 31.0±6.7 °C. It is classified under GHS with signal word Warning and hazard statements H226 — 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.
- 1119-51-3
- Jingsj CID
- J-20909-6
- 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 | 126.2±9.0 °C at 760 mmHg |
|---|---|
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 31.0±6.7 °C |
| Exact Mass | 147.988754 |
| LogP | 2.85 |
| Vapor Pressure | 14.3±0.2 mmHg at 25°C |
| Refractive Index | 1.460 |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
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 5-bromo-1-pentene?
The CAS number of 5-bromo-1-pentene is 1119-51-3.
What are the molecular formula and molecular weight of 5-bromo-1-pentene?
5-bromo-1-pentene has molecular formula C5H9Br and molecular weight 149.029 g/mol.
Is 5-bromo-1-pentene hazardous?
5-bromo-1-pentene has GHS signal word Warning and hazard statements H226 — Flammable liquid and vapour; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
What are the upstream and downstream products of 5-bromo-1-pentene?
For 5-bromo-1-pentene, Upstream Products: 1,5-Dibromopentane, 4-Penten-1-ol, Tetrahydrofurfuryl chloride; Downstream Products: (D,L)-2-Amino-6-heptenoic acid, 5-Bromo-2-pentanone, 1,5-Hexadiene.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-bromo-1-pentene (CAS 1119-51-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-20909-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.