1-(5-chloro-2-hydroxyphenyl)-1,3-butanedione

1-(5-氯-2-羟基苯基)-1,3-丁二酮

Also known as: 1-(5-chloro-2-hydroxyphenyl)butane-1,3-dione, 2-acetoacetyl-4-chlorophenol, 1,3-Butanedione, 1-(5-chloro-2-hydroxyphenyl)-, JRH-07502

1-(5-chloro-2-hydroxyphenyl)-1,3-butanedione (CAS 65897-66-7) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C10H9ClO3 and a molecular weight of 212.63000 g/mol. It is also known as 1-(5-chloro-2-hydroxyphenyl)butane-1,3-dione, 2-acetoacetyl-4-chlorophenol and 1,3-Butanedione, 1-(5-chloro-2-hydroxyphenyl)-. Key properties include a melting point of 112-116ºC(lit.), a boiling point of 341.7ºC at 760 mmHg, a density of 1.316g/cm3 and a flash point of 160.4ºC. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
65897-66-7
Jingsj CID
J-41178-1
Molecular Formula
C10H9ClO3
Chinese Name
1-(5-氯-2-羟基苯基)-1,3-丁二酮
Molecular Weight
212.63000 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Melting Point112-116ºC(lit.)
Boiling Point341.7ºC at 760 mmHg
Density1.316g/cm3
Flash Point160.4ºC
Exact Mass212.02400
PSA54.37000
LogP2.20740
Refractive Index1.561

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2914700090
SummaryHS: 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 1-(5-chloro-2-hydroxyphenyl)-1,3-butanedione?

The CAS number of 1-(5-chloro-2-hydroxyphenyl)-1,3-butanedione is 65897-66-7.

What are the molecular formula and molecular weight of 1-(5-chloro-2-hydroxyphenyl)-1,3-butanedione?

1-(5-chloro-2-hydroxyphenyl)-1,3-butanedione has molecular formula C10H9ClO3 and molecular weight 212.63000 g/mol.

Is 1-(5-chloro-2-hydroxyphenyl)-1,3-butanedione hazardous?

1-(5-chloro-2-hydroxyphenyl)-1,3-butanedione has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of 1-(5-chloro-2-hydroxyphenyl)-1,3-butanedione?

For 1-(5-chloro-2-hydroxyphenyl)-1,3-butanedione, Upstream Products: 1-(5-Chloro-2-hydroxyphenyl)ethanone, Ethyl acetate, 1-Chloro-4-methoxybenzene; Downstream Products: 5-Chlorosalicylic acid.

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

Last updated:

How to cite: Jingsj. "1-(5-chloro-2-hydroxyphenyl)-1,3-butanedione (CAS 65897-66-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-41178-1 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.