3-Acetylcoumarin
Also known as: 3-Acetyl-2H-chromen-2-one, 3-Acetyl-2H-1-benzopyran-2-one, 3-Acetylcoumarine, Coumarin, 3-acetyl-, 8-Acetyl dimethoxycoumarin
3-Acetylcoumarin (CAS 3949-36-8) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C11H8O3 and a molecular weight of 188.17900 g/mol. Key properties include a melting point of 119-122 °C(lit.), a boiling point of 391.6ºC at 760mmHg, a density of 1.285g/cm3 and a flash point of 179ºC. It is listed by 1 supplier; request a quote for pricing. Record last updated Aug 21, 2026.
- CAS No.
- 3949-36-8
- Jingsj CID
- J-17869-8
- Molecular Formula
- C11H8O3
- Molecular Weight
- 188.17900 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
Made to Order | - | - | CN China |
Physicochemical Properties
| Melting Point | 119-122 °C(lit.) |
|---|---|
| Boiling Point | 391.6ºC at 760mmHg |
| Density | 1.285g/cm3 |
| Flash Point | 179ºC |
| Exact Mass | 188.04700 |
| PSA | 47.28000 |
| LogP | 1.99560 |
| Refractive Index | 1.583 |
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 3-Acetylcoumarin?
The CAS number of 3-Acetylcoumarin is 3949-36-8.
What are the molecular formula and molecular weight of 3-Acetylcoumarin?
3-Acetylcoumarin has molecular formula C11H8O3 and molecular weight 188.17900 g/mol.
Which suppliers offer 3-Acetylcoumarin?
1 supplier(s) listed; request a quote for pricing.
What are the upstream and downstream products of 3-Acetylcoumarin?
For 3-Acetylcoumarin, Upstream Products: Ethyl acetoacetate, Salicylaldehyde, Methyl acetoacetate; Downstream Products: Coumarin, Benzofuran-2-carboxylic acid, Salicylaldehyde azine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-Acetylcoumarin (CAS 3949-36-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-17869-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.