4-Chloro-4'-hydroxybenzophenone

Also known as: 4-p-Chlorobenzoylphenol, (4-Chlorophenyl)(4-hydroxyphenyl)methanone, 4-(4-Chlorobenzoyl)phenol, 4-Hydroxy-4'-chlorobenzophenone, 4,4'-Chlorohydroxybenzophenone, Fenofibrate impurity A, Fenofibrate EP impurity A, Fenofibrate Related Compound A, 4-Chloro-4-hydroxybenzophenone, 4-chlorophenyl 4-hydroxyphenyl ketone, LABOTEST-BB LT00248477, MFCD00002357, Methanone, (4-chlorophenyl)(4-hydroxyphenyl)-

4-Chloro-4'-hydroxybenzophenone (CAS 42019-78-3) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C13H9ClO2 and a molecular weight of 232.662 g/mol. Key properties include a melting point of 177-181 °C, a boiling point of 404.0±30.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 198.1±24.6 °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.: 42019-78-3
Jingsj CID: J-1492498-2
Molecular Formula: C₁₃H₉ClO₂
Molecular Weight: 232.662 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	177-181 °C
Boiling Point	404.0±30.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	198.1±24.6 °C
Exact Mass	232.029114
PSA	37.30000
LogP	3.59
Vapor Pressure	0.0±1.0 mmHg at 25°C
Refractive Index	1.624

GHS Safety & Compliance

IrritantSignal word: Warning

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 4-Chloro-4'-hydroxybenzophenone?

The CAS number of 4-Chloro-4'-hydroxybenzophenone is 42019-78-3.

What are the molecular formula and molecular weight of 4-Chloro-4'-hydroxybenzophenone?

4-Chloro-4'-hydroxybenzophenone has molecular formula C13H9ClO2 and molecular weight 232.662 g/mol.

Is 4-Chloro-4'-hydroxybenzophenone hazardous?

4-Chloro-4'-hydroxybenzophenone 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 4-Chloro-4'-hydroxybenzophenone?

For 4-Chloro-4'-hydroxybenzophenone, Upstream Products: 4-Chlorobenzoyl chloride, Phenol, Benzaldehyde, oxime, (Z)-; Downstream Products: Fenofibrate, Fenofibric acid, Choline fenofibrate.

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. "4-Chloro-4'-hydroxybenzophenone (CAS 42019-78-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1492498-2 (accessed 2026-11-09).

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