6-chloropyran-2-one
Also known as: 6-chloro-2H-pyran-2-one, 6-chloro-2-pyrone, 6-chloro-α-pyrone, 6-chloropyran-2H-one, 2H-Pyran-2-one, 6-chloro-, 6-chloro-pyran-2-one, 6-chloro-2(2H)-pyranone
6-chloropyran-2-one (CAS 20357-65-7) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C5H3ClO2 and a molecular weight of 130.52900 g/mol. Key properties include a boiling point of 193-194ºC(lit.), a density of 1.356 g/mL at 25ºC(lit.) and a flash point of >110.0 °C. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.
- CAS No.
- 20357-65-7
- Jingsj CID
- J-18004-1
- Molecular Formula
- C5H3ClO2
- Molecular Weight
- 130.52900 g/mol
- Category
- Ketones
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 193-194ºC(lit.) |
|---|---|
| Density | 1.356 g/mL at 25ºC(lit.) |
| Flash Point | >110.0 °C |
| Exact Mass | 129.98200 |
| PSA | 30.21000 |
| LogP | 1.29320 |
| Vapor Pressure | 0.035mmHg at 25°C |
| Refractive Index | n20/D 1.5560(lit.) |
Customs & Trade Information
| HS Code | 2932999099 |
|---|---|
| Summary | 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. 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 6-chloropyran-2-one?
The CAS number of 6-chloropyran-2-one is 20357-65-7.
What are the molecular formula and molecular weight of 6-chloropyran-2-one?
6-chloropyran-2-one has molecular formula C5H3ClO2 and molecular weight 130.52900 g/mol.
What are the upstream and downstream products of 6-chloropyran-2-one?
For 6-chloropyran-2-one, Upstream Products: trans-Glutaconic acid, trans-Glutaconic acid, Acetyl chloride; Downstream Products: 6-Pentyl-2H-pyran-2-one.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "6-chloropyran-2-one (CAS 20357-65-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-18004-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.