5,7,8-Trimethylcoumarin
5,7,8-三甲基香豆素
Also known as: 2H-1-Benzopyran-2-one, 5,7,8-trimethyl-, 5,7,8-Trimethyl-2H-chromen-2-one, Coumarin, 5,7,8-trimethyl-
5,7,8-Trimethylcoumarin (CAS 40662-19-9) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C12H12O2 and a molecular weight of 188.223 g/mol. It is also known as 2H-1-Benzopyran-2-one, 5,7,8-trimethyl-, 5,7,8-Trimethyl-2H-chromen-2-one and Coumarin, 5,7,8-trimethyl-. Key properties include a boiling point of 340.8±41.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 141.5±25.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 40662-19-9
- Jingsj CID
- J-1528518-0
- Molecular Formula
- C12H12O2
- Chinese Name
- 5,7,8-三甲基香豆素
- Molecular Weight
- 188.223 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 340.8±41.0 °C at 760 mmHg |
|---|---|
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 141.5±25.0 °C |
Frequently Asked Questions
What is the CAS number of 5,7,8-Trimethylcoumarin?
The CAS number of 5,7,8-Trimethylcoumarin is 40662-19-9.
What are the molecular formula and molecular weight of 5,7,8-Trimethylcoumarin?
5,7,8-Trimethylcoumarin has molecular formula C12H12O2 and molecular weight 188.223 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5,7,8-Trimethylcoumarin (CAS 40662-19-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1528518-0 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.