4-Hydroxy-2H-thiochromen-2-one
Also known as: 4-Hydroxy-2H-1-benzothiopyran-2-one, 2-hydroxythiochromen-4-one, 4-Hydroxylthiocoumarin, 4-Hydroxy thiocoumarin, 4-Hydroxythiocoumarin, 1-thio-4-hydroxycoumarin, AKOS AU-SVL-37-03, CHEMBRDG-BB 5102960
4-Hydroxy-2H-thiochromen-2-one (CAS 16854-67-4) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C9H6O2S and a molecular weight of 178.208 g/mol. Key properties include a boiling point of 304.9±42.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 138.2±27.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 16854-67-4
- Jingsj CID
- J-1081624-7
- Molecular Formula
- C9H6O2S
- Molecular Weight
- 178.208 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 304.9±42.0 °C at 760 mmHg |
|---|---|
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 138.2±27.9 °C |
| Exact Mass | 178.008850 |
| PSA | 65.54000 |
| LogP | 2.23 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.726 |
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 4-Hydroxy-2H-thiochromen-2-one?
The CAS number of 4-Hydroxy-2H-thiochromen-2-one is 16854-67-4.
What are the molecular formula and molecular weight of 4-Hydroxy-2H-thiochromen-2-one?
4-Hydroxy-2H-thiochromen-2-one has molecular formula C9H6O2S and molecular weight 178.208 g/mol.
What are the upstream and downstream products of 4-Hydroxy-2H-thiochromen-2-one?
For 4-Hydroxy-2H-thiochromen-2-one, Upstream Products: 2'-Mercaptoacetophenone, Diethyl carbonate, Dimethyl Carbonate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Hydroxy-2H-thiochromen-2-one (CAS 16854-67-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1081624-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.