Skip to main content

2'-Chloroacetophenone

Also known as: o-Chloroacetophenone, 1-(2-Chlorophenyl)ethanone, 2-Chlorophenyl methyl ketone, Methyl 2-chlorophenyl ketone, 2'-Chloroacetophenone, o-Chlorophenyl methyl ketone, Ethanone, 1-(2-chlorophenyl)-, 2-Acetylchlorobenzene, 2-Chloro-1-acetylbenzene, NSC 405474

2'-Chloroacetophenone (CAS 2142-68-9) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C8H7ClO and a molecular weight of 154.594 g/mol. Key properties include a melting point of 52-56ºC, a boiling point of 195.5±13.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 89.6±11.0 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, 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.
2142-68-9
Jingsj CID
J-3188-9
Molecular Formula
C8H7ClO
Molecular Weight
154.594 g/mol
Category
Ketones
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point52-56ºC
Boiling Point195.5±13.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point89.6±11.0 °C
Exact Mass154.018539
PSA17.07000
LogP2.09
Vapor Pressure0.4±0.4 mmHg at 25°C
Refractive Index1.532

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed
  • 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 2'-Chloroacetophenone?

The CAS number of 2'-Chloroacetophenone is 2142-68-9.

What are the molecular formula and molecular weight of 2'-Chloroacetophenone?

2'-Chloroacetophenone has molecular formula C8H7ClO and molecular weight 154.594 g/mol.

Is 2'-Chloroacetophenone hazardous?

2'-Chloroacetophenone has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of 2'-Chloroacetophenone?

For 2'-Chloroacetophenone, Upstream Products: 1-Chloro-2-ethynylbenzene, 2-Chlorostyrene, 1-(2-Chlorophenyl)ethanol; Downstream Products: 2-Bromo-2'-chloroacetophenone, 2'-Aminoacetophenone, 3-Methylbenzo[b]thiophene-2-carboxylic acid.

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

Last updated:

How to cite: Jingsj. "2'-Chloroacetophenone (CAS 2142-68-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-3188-9 (accessed 2026-11-09).

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