4-Oxochromane-7-carboxylic acid
4-氧代苯并二氢吡喃-7-羧酸
Also known as: 4-Oxochroman-7-carboxylic acid, 4-oxo-3,4-dihydro-2H-1-benzopyran-7-carboxylic acid, 2H-1-Benzopyran-7-carboxylic acid, 3,4-dihydro-4-oxo-, 4-Oxo-7-chromanecarboxylic acid
4-Oxochromane-7-carboxylic acid (CAS 90921-09-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H8O4 and a molecular weight of 192.168 g/mol. It is also known as 4-Oxochroman-7-carboxylic acid, 4-oxo-3,4-dihydro-2H-1-benzopyran-7-carboxylic acid and 2H-1-Benzopyran-7-carboxylic acid, 3,4-dihydro-4-oxo-. Key properties include a melting point of 259 °C, a boiling point of 422.4±45.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 176.4±22.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 90921-09-8
- Jingsj CID
- J-1441091-0
- Molecular Formula
- C10H8O4
- Chinese Name
- 4-氧代苯并二氢吡喃-7-羧酸
- Molecular Weight
- 192.168 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 259 °C |
|---|---|
| Boiling Point | 422.4±45.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 176.4±22.2 °C |
Frequently Asked Questions
What is the CAS number of 4-Oxochromane-7-carboxylic acid?
The CAS number of 4-Oxochromane-7-carboxylic acid is 90921-09-8.
What are the molecular formula and molecular weight of 4-Oxochromane-7-carboxylic acid?
4-Oxochromane-7-carboxylic acid has molecular formula C10H8O4 and molecular weight 192.168 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Oxochromane-7-carboxylic acid (CAS 90921-09-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1441091-0 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.