4-(4-Chlorophenoxy)phenol

Also known as: 4-Chloro-4'-hydroxydiphenyl ether, 4-Hydroxy-4'-chlorodiphenyl ether, (4-Chlorophenyl)(4-hydroxyphenyl) ether, p-(p-Chlorophenoxy)phenol, Phenol, 4-(4-chlorophenoxy)-

4-(4-Chlorophenoxy)phenol (CAS 21567-18-0) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C12H9ClO2 and a molecular weight of 220.652 g/mol. Key properties include a melting point of 80-85ºC, a boiling point of 343.9±22.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 161.8±22.3 °C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H318 — Causes serious eye damage and H334 — May cause allergy or asthma symptoms if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 21567-18-0
Jingsj CID: J-1001125-3
Molecular Formula: C₁₂H₉ClO₂
Molecular Weight: 220.652 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	80-85ºC
Boiling Point	343.9±22.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	161.8±22.3 °C
Exact Mass	220.029114
PSA	29.46000
LogP	3.95
Vapor Pressure	0.0±0.8 mmHg at 25°C
Refractive Index	1.615

GHS Safety & Compliance

Corrosion / Irritant / Health HazardSignal word: Danger

H302 — Harmful if swallowed
H318 — Causes serious eye damage
H334 — May cause allergy or asthma symptoms if inhaled

Customs & Trade Information

HS Code	2909500000
Summary	2909500000 ether-phenols, ether-alcohol-phenols and their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 4-(4-Chlorophenoxy)phenol?

The CAS number of 4-(4-Chlorophenoxy)phenol is 21567-18-0.

What are the molecular formula and molecular weight of 4-(4-Chlorophenoxy)phenol?

4-(4-Chlorophenoxy)phenol has molecular formula C12H9ClO2 and molecular weight 220.652 g/mol.

Is 4-(4-Chlorophenoxy)phenol hazardous?

4-(4-Chlorophenoxy)phenol has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H318 — Causes serious eye damage; H334 — May cause allergy or asthma symptoms if inhaled.

What are the upstream and downstream products of 4-(4-Chlorophenoxy)phenol?

For 4-(4-Chlorophenoxy)phenol, Upstream Products: 4-(4-Chlorophenoxy)benzaldehyde, 1-Chloro-4-iodobenzene, 4-Methoxyphenol; Downstream Products: Clofop.

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-(4-Chlorophenoxy)phenol (CAS 21567-18-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1001125-3 (accessed 2026-11-09).

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