4-Bromo-1,8-naphthalic anhydride
Also known as: 4-Bromo-1,8-naphthalenedicarboxylic anhydride, 6-Bromo-1H,3H-naphtho[1,8-cd]pyran-1,3-dione, 6-Bromo-benzo[de]isochromene-1,3-dione, 4-Bromonaphthalic anhydride, 1H,3H-Naphtho[1,8-cd]pyran-1,3-dione, 6-bromo-
4-Bromo-1,8-naphthalic anhydride (CAS 81-86-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H5BrO3 and a molecular weight of 277.070 g/mol. Key properties include a melting point of 217-219 °C(lit.), a boiling point of 467.2±28.0 °C at 760 mmHg, a density of 1.8±0.1 g/cm3 and a flash point of 236.3±24.0 °C. 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.
- 81-86-7
- Jingsj CID
- J-1523557-1
- Molecular Formula
- C12H5BrO3
- Molecular Weight
- 277.070 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 217-219 °C(lit.) |
|---|---|
| Boiling Point | 467.2±28.0 °C at 760 mmHg |
| Density | 1.8±0.1 g/cm3 |
| Flash Point | 236.3±24.0 °C |
| Exact Mass | 275.942200 |
| PSA | 43.37000 |
| LogP | 2.53 |
| Vapor Pressure | 0.0±1.2 mmHg at 25°C |
| Refractive Index | 1.733 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2932999099 |
|---|---|
| Summary | 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 4-Bromo-1,8-naphthalic anhydride?
The CAS number of 4-Bromo-1,8-naphthalic anhydride is 81-86-7.
What are the molecular formula and molecular weight of 4-Bromo-1,8-naphthalic anhydride?
4-Bromo-1,8-naphthalic anhydride has molecular formula C12H5BrO3 and molecular weight 277.070 g/mol.
Is 4-Bromo-1,8-naphthalic anhydride hazardous?
4-Bromo-1,8-naphthalic anhydride 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 4-Bromo-1,8-naphthalic anhydride?
For 4-Bromo-1,8-naphthalic anhydride, Upstream Products: 1,8-Naphthalic anhydride, 5-Bromoacenaphthene, Acenaphthene; Downstream Products: 4-Bromo-3-nitro-1,8-naphthalic anhydride, Acrylonitrile, 5-Bromoacenaphthene.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Bromo-1,8-naphthalic anhydride (CAS 81-86-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1523557-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.