alpha-Bromostyrene
Also known as: 1-bromoethenylbenzene, (1-bromovinyl)benzene, 1-phenyl-1-bromoethene, α-bromostyrene, alpha-bromostyrol
alpha-Bromostyrene (CAS 98-81-7) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H7Br and a molecular weight of 183.04500 g/mol. Key properties include a melting point of -44ºC(lit.), a boiling point of 67-70ºC4 mm Hg(lit.), a density of 1.387g/cm3 and a flash point of 98.3ºC. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 98-81-7
- Jingsj CID
- J-9159-8
- Molecular Formula
- C8H7Br
- Molecular Weight
- 183.04500 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -44ºC(lit.) |
|---|---|
| Boiling Point | 67-70ºC4 mm Hg(lit.) |
| Density | 1.387g/cm3 |
| Flash Point | 98.3ºC |
| Exact Mass | 181.97300 |
| LogP | 3.05220 |
| Refractive Index | n20/D 1.588(lit.) |
| Storage Conditions | Refrigerator (+4°C) |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2903999090 |
|---|---|
| Summary | 2903999090 halogenated derivatives of aromatic hydrocarbons VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of alpha-Bromostyrene?
The CAS number of alpha-Bromostyrene is 98-81-7.
What are the molecular formula and molecular weight of alpha-Bromostyrene?
alpha-Bromostyrene has molecular formula C8H7Br and molecular weight 183.04500 g/mol.
Is alpha-Bromostyrene hazardous?
alpha-Bromostyrene has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of alpha-Bromostyrene?
For alpha-Bromostyrene, Upstream Products: Acetophenone, 3-Butyn-1-ol, Acetophenone oxime; Downstream Products: 2-(p-toluenesulfonyl)acetophenone, Methyl 3-bromopropanoate, Atropic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "alpha-Bromostyrene (CAS 98-81-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-9159-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.