Chromocarb
Also known as: 4-Oxo-4H-1-benzopyran-2-carboxylic acid, Chromone-2-carboxylic acid, 2-Chromonecarboxylic acid, 4-Oxo-4H-chromene-2-carboxylic acid, LP 1, Atremon
Chromocarb (CAS 4940-39-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H6O4 and a molecular weight of 190.152 g/mol. Key properties include a melting point of 260 °C (dec.)(lit.), a boiling point of 337.0±42.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 138.9±21.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4940-39-0
- Jingsj CID
- J-44157-6
- Molecular Formula
- C10H6O4
- Molecular Weight
- 190.152 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 260 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 337.0±42.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 138.9±21.4 °C |
| Exact Mass | 190.026611 |
| PSA | 67.51000 |
| LogP | 1.65 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.640 |
| Additional Property | sparingly soluble |
Customs & Trade Information
| HS Code | 2918300090 |
|---|---|
| Summary | 2918300090 other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Chromocarb?
The CAS number of Chromocarb is 4940-39-0.
What are the molecular formula and molecular weight of Chromocarb?
Chromocarb has molecular formula C10H6O4 and molecular weight 190.152 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Chromocarb (CAS 4940-39-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44157-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.