Isonicotinic anhydride
异烟酸酐
Also known as: 4-Pyridinecarboxylic acid anhydride, Bis(4-pyridinecarboxylic)anhydride, pyridine-4-carbonyl pyridine-4-carboxylate, NSC 139658, MFCD00062784
Isonicotinic anhydride (CAS 7082-71-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H8N2O3 and a molecular weight of 228.20400 g/mol. It is also known as 4-Pyridinecarboxylic acid anhydride, Bis(4-pyridinecarboxylic)anhydride and pyridine-4-carbonyl pyridine-4-carboxylate. Key properties include a melting point of 133ºC, a boiling point of 412.3ºC at 760 mmHg, a density of 1.317g/cm3 and a flash point of 203.1ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 7082-71-5
- Jingsj CID
- J-27387-7
- Molecular Formula
- C12H8N2O3
- Chinese Name
- 异烟酸酐
- Molecular Weight
- 228.20400 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 133ºC |
|---|---|
| Boiling Point | 412.3ºC at 760 mmHg |
| Density | 1.317g/cm3 |
| Flash Point | 203.1ºC |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of Isonicotinic anhydride?
The CAS number of Isonicotinic anhydride is 7082-71-5.
What are the molecular formula and molecular weight of Isonicotinic anhydride?
Isonicotinic anhydride has molecular formula C12H8N2O3 and molecular weight 228.20400 g/mol.
Is Isonicotinic anhydride hazardous?
Isonicotinic 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. "Isonicotinic anhydride (CAS 7082-71-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-27387-7 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.