5-Bromoacenaphthene
Also known as: 5-Bromo-1,2-dihydroacenaphthylene, 5-bromoacenaphthene, 5-BROMO-1,2-DIHYDROACENAPHTHYLENE, 5-BROMOACENAPHTHENE, 5-Bromoacenaphtene, Acenaphthylene, 5-bromo-1,2-dihydro-, Acenaphthene, 5-bromo-, EINECS 218-138-7, MFCD00003809
5-Bromoacenaphthene (CAS 2051-98-1) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C12H9Br and a molecular weight of 233.104 g/mol. Key properties include a melting point of 54-56 °C(lit.), a boiling point of 335.0±0.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 162.3±16.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2051-98-1
- Jingsj CID
- J-33125-4
- Molecular Formula
- C12H9Br
- Molecular Weight
- 233.104 g/mol
- Category
- Organohalogen Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 54-56 °C(lit.) |
|---|---|
| Boiling Point | 335.0±0.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 162.3±16.5 °C |
| Exact Mass | 231.988754 |
| LogP | 4.96 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.715 |
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 5-Bromoacenaphthene?
The CAS number of 5-Bromoacenaphthene is 2051-98-1.
What are the molecular formula and molecular weight of 5-Bromoacenaphthene?
5-Bromoacenaphthene has molecular formula C12H9Br and molecular weight 233.104 g/mol.
What are the upstream and downstream products of 5-Bromoacenaphthene?
For 5-Bromoacenaphthene, Upstream Products: Acenaphthene, 4-Bromo-1,8-naphthalic anhydride, Phenyllithium; Downstream Products: 5-Acenaphthenecarboxylic acid, Acenaphthene, Acenaphthene-5-boronic 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. "5-Bromoacenaphthene (CAS 2051-98-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-33125-4 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.