(Z)-2-bromo-2-butene
Also known as: (2Z)-2-bromo-2-butene, cis-2-bromo-2-butene, 2-bromo-cis-2-butene, 2-butene, 2-bromo-, (2Z)-, MFCD00191841
(Z)-2-bromo-2-butene (CAS 3017-68-3) 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 melting point of -111.2°C, a boiling point of 84ºC(lit.), a density of 1.332 g/mL at 25ºC(lit.) and a flash point of -1.1 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.
- CAS No.
- 3017-68-3
- Jingsj CID
- J-1992081-1
- Molecular Formula
- C4H7Br
- Molecular Weight
- 135.00200 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 11/2/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -111.2°C |
|---|---|
| Boiling Point | 84ºC(lit.) |
| Density | 1.332 g/mL at 25ºC(lit.) |
| Flash Point | -1.1 °C |
| Exact Mass | 133.97300 |
| LogP | 2.30500 |
| Refractive Index | n20/D 1.459(lit.) |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
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 (Z)-2-bromo-2-butene?
The CAS number of (Z)-2-bromo-2-butene is 3017-68-3.
What are the molecular formula and molecular weight of (Z)-2-bromo-2-butene?
(Z)-2-bromo-2-butene has molecular formula C4H7Br and molecular weight 135.00200 g/mol.
Is (Z)-2-bromo-2-butene hazardous?
(Z)-2-bromo-2-butene has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour.
What are the upstream and downstream products of (Z)-2-bromo-2-butene?
For (Z)-2-bromo-2-butene, Upstream Products: rel-(2R,3R)-2,3-dibromobutane, 2-Bromo-2-butene, [(Trimethylsilyl)methyl]magnesium chloride; Downstream Products: trans-2-Methyl-2-butenal, Acetoin, But-2-yne.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "(Z)-2-bromo-2-butene (CAS 3017-68-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1992081-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.