Aurintricarboxylic acid
金精三羧酸
Also known as: Aurintricarboxylic acid, ATA, Aluminon free acid, 5,5'-((3-Carboxy-4-oxocyclohexa-2,5-dien-1-ylidene)methylene)bis(2-hydroxybenzoic acid), 3,3'-[(3-Carboxy-4-oxo-2,5-cyclohexadien-1-ylidene)methylene]bis(6-hydroxybenzoic acid)
Aurintricarboxylic acid (CAS 4431-00-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C22H14O9 and a molecular weight of 422.341 g/mol. It is also known as ATA, Aluminon free acid and 5,5'-((3-Carboxy-4-oxocyclohexa-2,5-dien-1-ylidene)methylene)bis(2-hydroxybenzoic acid). Key properties include a melting point of 300 °C(lit.), a boiling point of 759.6±60.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 427.1±29.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4431-00-9
- Jingsj CID
- J-23522-4
- Molecular Formula
- C22H14O9
- Chinese Name
- 金精三羧酸
- Molecular Weight
- 422.341 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 300 °C(lit.) |
|---|---|
| Boiling Point | 759.6±60.0 °C at 760 mmHg |
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 427.1±29.4 °C |
Frequently Asked Questions
What is the CAS number of Aurintricarboxylic acid?
The CAS number of Aurintricarboxylic acid is 4431-00-9.
What are the molecular formula and molecular weight of Aurintricarboxylic acid?
Aurintricarboxylic acid has molecular formula C22H14O9 and molecular weight 422.341 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Aurintricarboxylic acid (CAS 4431-00-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-23522-4 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.