4-Bromo-1,8-naphthalic anhydride
4-溴-1,8-萘二甲酸酐
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. It is also known as 4-Bromo-1,8-naphthalenedicarboxylic anhydride, 6-Bromo-1H,3H-naphtho[1,8-cd]pyran-1,3-dione and 6-Bromo-benzo[de]isochromene-1,3-dione. 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. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 81-86-7
- Jingsj CID
- J-1523557-8
- Molecular Formula
- C12H5BrO3
- Chinese Name
- 4-溴-1,8-萘二甲酸酐
- 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 |
GHS Safety & Compliance
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.
Data compiled from public chemical databases 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-1523557-8 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.