1-Bromobutane
Also known as: Butyl bromide, n-Butyl bromide, 1-Brombutan, 1-Bromobutan, Bromobutane, N-BUTYL BROMIDE, N-Bromobutane, n-Butylbiuret, bromobutane, 1-bromo-butane, 1-bromo-n-butane, 1-butyl bromide, Butane, 1-bromo-, UNII-SAV6Y78U3D, MFCD00000260, EINECS 203-691-9
1-Bromobutane (CAS 109-65-9) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C4H9Br and a molecular weight of 137.018 g/mol. Key properties include a melting point of -112 °C, a boiling point of 101.6±3.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 23.9±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.
- 109-65-9
- Jingsj CID
- J-47514-1
- Molecular Formula
- C4H9Br
- Molecular Weight
- 137.018 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -112 °C |
|---|---|
| Boiling Point | 101.6±3.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 23.9±0.0 °C |
| Exact Mass | 135.988754 |
| LogP | 2.74 |
| Additional Property | 4.7 (vs air) |
| Vapor Pressure | 40.3±0.2 mmHg at 25°C |
| Refractive Index | 1.439 |
| Additional Property | 0.608 g/L (30 ºC) |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
- H411 — Toxic to aquatic life with long lasting effects
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 1-Bromobutane?
The CAS number of 1-Bromobutane is 109-65-9.
What are the molecular formula and molecular weight of 1-Bromobutane?
1-Bromobutane has molecular formula C4H9Br and molecular weight 137.018 g/mol.
Is 1-Bromobutane hazardous?
1-Bromobutane 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 1-Bromobutane?
For 1-Bromobutane, Upstream Products: 1-Butanol, Tributyl phosphate, n-Butyllithium; Downstream Products: DI-N-BUTYLTELLURIUM, Dibutyl ditelluride.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-Bromobutane (CAS 109-65-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-47514-1 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.