2,4'-Dichloroacetophenone
Also known as: 2,4'-Dichloroacetophenone, 2-Chloro-1-(4-chlorophenyl)ethanone, 4-Chlorophenacyl chloride, α,4-Dichloroacetophenone, Ethanone, 2-chloro-1-(4-chlorophenyl)-, EINECS 213-323-9, MFCD00018926
2,4'-Dichloroacetophenone (CAS 937-20-2) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C8H6Cl2O and a molecular weight of 189.039 g/mol. Key properties include a melting point of 100-102 °C(lit.), a boiling point of 270.0±0.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 119.1±21.0 °C. 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.
- 937-20-2
- Jingsj CID
- J-36093-0
- Molecular Formula
- C8H6Cl2O
- Molecular Weight
- 189.039 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 100-102 °C(lit.) |
|---|---|
| Boiling Point | 270.0±0.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 119.1±21.0 °C |
| Exact Mass | 187.979568 |
| PSA | 17.07000 |
| LogP | 2.53 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.551 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
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 2,4'-Dichloroacetophenone?
The CAS number of 2,4'-Dichloroacetophenone is 937-20-2.
What are the molecular formula and molecular weight of 2,4'-Dichloroacetophenone?
2,4'-Dichloroacetophenone has molecular formula C8H6Cl2O and molecular weight 189.039 g/mol.
Is 2,4'-Dichloroacetophenone hazardous?
2,4'-Dichloroacetophenone 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 2,4'-Dichloroacetophenone?
For 2,4'-Dichloroacetophenone, Upstream Products: 1-(4-Chlorophenyl)ethanone, N-Methyl-N-nitrosotoluene-4-sulphonamide, 4-Chlorobenzoyl chloride; Downstream Products: 2-Amino-4'-chloroacetophenone hydrochloride, 2-(4-Chlorophenyl)-2-oxoethyl acetate, Dibenzyl disulfide.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,4'-Dichloroacetophenone (CAS 937-20-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-36093-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.