4,4'-Carbonyldiphthalic acid
3,3',4,4'-二苯甲酮四甲酸
Also known as: 3,3',4,4'-Benzophenonetetracarboxylic acid, Benzophenone-3,3',4,4'-tetracarboxylic acid, 4,4'-Carbonylbis(1,2-benzenedicarboxylic acid)
4,4'-Carbonyldiphthalic acid (CAS 2479-49-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C17H10O9 and a molecular weight of 358.256 g/mol. It is also known as 3,3',4,4'-Benzophenonetetracarboxylic acid, Benzophenone-3,3',4,4'-tetracarboxylic acid and 4,4'-Carbonylbis(1,2-benzenedicarboxylic acid). Key properties include a boiling point of 734.0±60.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 411.7±29.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2479-49-4
- Jingsj CID
- J-1970345-9
- Molecular Formula
- C17H10O9
- Chinese Name
- 3,3',4,4'-二苯甲酮四甲酸
- Molecular Weight
- 358.256 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 734.0±60.0 °C at 760 mmHg |
|---|---|
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 411.7±29.4 °C |
Frequently Asked Questions
What is the CAS number of 4,4'-Carbonyldiphthalic acid?
The CAS number of 4,4'-Carbonyldiphthalic acid is 2479-49-4.
What are the molecular formula and molecular weight of 4,4'-Carbonyldiphthalic acid?
4,4'-Carbonyldiphthalic acid has molecular formula C17H10O9 and molecular weight 358.256 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4,4'-Carbonyldiphthalic acid (CAS 2479-49-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1970345-9 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.