3-chloro-5-hydroxy-2-pentanone

Also known as: 2-Pentanone, 3-chloro-5-hydroxy-, 3-CHLORO-4-OXO-1-PENTANOL, 3-CHLORO-5-HYDROXY-2-PENTANONE, 3-Chlor-5-hydroxy-2-pentanon, 3-Chloro-4-oxo-1-pentanol, 3-chloro-5-hydroxypentan-2-one, 3-chloro-3-acetylpropanol, 3-chloro-5-hydroxy-pentan-2-one

3-chloro-5-hydroxy-2-pentanone (CAS 13045-13-1) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C5H9ClO2 and a molecular weight of 136.57700 g/mol. Key properties include a boiling point of 263.5ºC at 760 mmHg, a density of 1.162g/cm3 and a flash point of 113.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 13045-13-1
Jingsj CID: J-1306893-4
Molecular Formula: C₅H₉ClO₂
Molecular Weight: 136.57700 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	263.5ºC at 760 mmHg
Density	1.162g/cm3
Flash Point	113.2ºC
Exact Mass	136.02900
PSA	37.30000
LogP	0.56520

Customs & Trade Information

HS Code	2914700090
Summary	HS: 2914700090 halogenated, sulphonated, nitrated or nitrosated derivatives of ketones and quinones, whether or not with other oxygen function Tax rebate rate:9.0% Supervision conditions:none VAT:17.0% MFN tariff:5.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 3-chloro-5-hydroxy-2-pentanone?

The CAS number of 3-chloro-5-hydroxy-2-pentanone is 13045-13-1.

What are the molecular formula and molecular weight of 3-chloro-5-hydroxy-2-pentanone?

3-chloro-5-hydroxy-2-pentanone has molecular formula C5H9ClO2 and molecular weight 136.57700 g/mol.

What are the upstream and downstream products of 3-chloro-5-hydroxy-2-pentanone?

For 3-chloro-5-hydroxy-2-pentanone, Upstream Products: 2-Acetylbutyrolactone, Sulfuryl chloride, 5-Hydroxy-2-pentanone (mixture of monomer and dimer); Downstream Products: Oxo thiamine, Clomethiazole, 2-(4-Methyl-1,3-thiazol-5-yl)ethanol.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "3-chloro-5-hydroxy-2-pentanone (CAS 13045-13-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1306893-4 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.