1,2-Dibromobutane
Also known as: Butane, 1,2-dibromo-, 1,2-Butylene bromide, α-Butylene dibromide, alpha-Butylene dibromide, 1,2-Dibrombutan, 1,2-dibromo-butan, UNII-8471F50VJI, MFCD00000157, EINECS 208-581-4
1,2-Dibromobutane (CAS 533-98-2) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C4H8Br2 and a molecular weight of 215.914 g/mol. Key properties include a melting point of -65°C, a boiling point of 165.0±8.0 °C at 760 mmHg, a density of 1.8±0.1 g/cm3 and a flash point of 44.0±17.7 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 533-98-2
- Jingsj CID
- J-47811-5
- Molecular Formula
- C4H8Br2
- Molecular Weight
- 215.914 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -65°C |
|---|---|
| Boiling Point | 165.0±8.0 °C at 760 mmHg |
| Density | 1.8±0.1 g/cm3 |
| Flash Point | 44.0±17.7 °C |
| Exact Mass | 213.899261 |
| LogP | 2.96 |
| Vapor Pressure | 2.5±0.3 mmHg at 25°C |
| Refractive Index | 1.505 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H312 — Harmful in contact with skin
- H332 — Harmful if inhaled
- 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 1,2-Dibromobutane?
The CAS number of 1,2-Dibromobutane is 533-98-2.
What are the molecular formula and molecular weight of 1,2-Dibromobutane?
1,2-Dibromobutane has molecular formula C4H8Br2 and molecular weight 215.914 g/mol.
Is 1,2-Dibromobutane hazardous?
1,2-Dibromobutane has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H332 — Harmful if inhaled.
What are the upstream and downstream products of 1,2-Dibromobutane?
For 1,2-Dibromobutane, Upstream Products: 1-Butene, 1-Bromobutane, 2-Bromobutane; Downstream Products: 1-bromo-1-butene, 2-bromo-1-butene, 1,2-Butanediol, 1,2-diacetate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,2-Dibromobutane (CAS 533-98-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-47811-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.