4,7-Dihydroxycoumarin
4,7-二羟基香豆素
Also known as: 4,7-Dihydroxy-2H-chromen-2-one, 4,7-Dihydroxy-2H-1-benzopyran-2-one, 4,7-Dihydroxy-2-oxo-2H-1-benzopyran, NSC 136214
4,7-Dihydroxycoumarin (CAS 1983-81-9) 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 178.14200 g/mol. It is also known as 4,7-Dihydroxy-2H-chromen-2-one, 4,7-Dihydroxy-2H-1-benzopyran-2-one and 4,7-Dihydroxy-2-oxo-2H-1-benzopyran. Key properties include a melting point of 263 °C(dec.), a boiling point of 390ºC at 760mmHg, a density of 1.612g/cm3 and a flash point of 166.5ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1983-81-9
- Jingsj CID
- J-1523434-2
- Molecular Formula
- C9H6O4
- Chinese Name
- 4,7-二羟基香豆素
- Molecular Weight
- 178.14200 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 263 °C(dec.) |
|---|---|
| Boiling Point | 390ºC at 760mmHg |
| Density | 1.612g/cm3 |
| Flash Point | 166.5ºC |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of 4,7-Dihydroxycoumarin?
The CAS number of 4,7-Dihydroxycoumarin is 1983-81-9.
What are the molecular formula and molecular weight of 4,7-Dihydroxycoumarin?
4,7-Dihydroxycoumarin has molecular formula C9H6O4 and molecular weight 178.14200 g/mol.
Is 4,7-Dihydroxycoumarin hazardous?
4,7-Dihydroxycoumarin has GHS signal word Warning.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4,7-Dihydroxycoumarin (CAS 1983-81-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1523434-2 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.