5,7-Dihydroxycoumarin
Also known as: 5,7-Dihydroxy-2H-chromen-2-one, 2H-1-Benzopyran-2-one, 5,7-dihydroxy-, 5,7-Dihydroxy-2H-1-benzopyran-2-one, Coumarin, 5,7-dihydroxy-, NSC 108415
5,7-Dihydroxycoumarin (CAS 2732-18-5) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C9H6O4 and a molecular weight of 178.141 g/mol. Key properties include a boiling point of 506.4±19.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 216.9±15.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2732-18-5
- Jingsj CID
- J-35415-4
- Molecular Formula
- C9H6O4
- Molecular Weight
- 178.141 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 506.4±19.0 °C at 760 mmHg |
|---|---|
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 216.9±15.0 °C |
| Exact Mass | 178.026611 |
| PSA | 70.67000 |
| LogP | 0.86 |
| Vapor Pressure | 0.0±1.4 mmHg at 25°C |
| Refractive Index | 1.689 |
| Storage Conditions | 2-8°C |
Activity & Biological Data
| Additional Information | [1]. Ishak Zakaria, et al. Flavonoids with antiplasmodial and cytotoxic activities of Macaranga triloba. Fitoterapia. 2012 Jul;83(5):968-72. [2]. Yi-Ping Chin, et al. Synthesis and evaluation of antibacterial activities of 5,7-dihydroxycoumarin derivatives. Arch Pharm (Weinheim). 2011 Jun;344(6):386-93. |
|---|
Customs & Trade Information
| HS Code | 2932209090 |
|---|---|
| Summary | 2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 5,7-Dihydroxycoumarin?
The CAS number of 5,7-Dihydroxycoumarin is 2732-18-5.
What are the molecular formula and molecular weight of 5,7-Dihydroxycoumarin?
5,7-Dihydroxycoumarin has molecular formula C9H6O4 and molecular weight 178.141 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. "5,7-Dihydroxycoumarin (CAS 2732-18-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-35415-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.