4-Chlorodiphenyl ether

Also known as: 1-Chloro-4-phenoxybenzene, 4-Chlorophenyl phenyl ether, Benzene, 1-chloro-4-phenoxy-, Ether, p-chlorophenyl phenyl, p-Chlorophenyl phenyl ether, PCDE 3, NSC 61839, p-Chlorodiphenyl oxide

4-Chlorodiphenyl ether (CAS 7005-72-3) is a compound in the Ethers category listed in the Jingsj chemical database. It has the molecular formula C12H9ClO and a molecular weight of 204.652 g/mol. Key properties include a melting point of -8 °C, a boiling point of 283.7±13.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 128.1±13.9 °C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H317 — May cause an allergic skin reaction and H318 — Causes serious eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 7005-72-3
Jingsj CID: J-30502-0
Molecular Formula: C₁₂H₉ClO
Molecular Weight: 204.652 g/mol
Category: Ethers
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	-8 °C
Boiling Point	283.7±13.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	128.1±13.9 °C
Exact Mass	204.034195
PSA	9.23000
LogP	4.81
Vapor Pressure	0.0±0.6 mmHg at 25°C
Refractive Index	1.584
Storage Conditions	2-8℃
Additional Property	3.3 mg/L (25 ºC)

GHS Safety & Compliance

Corrosion / Irritant / Environmental HazardSignal word: Danger

H302 — Harmful if swallowed
H317 — May cause an allergic skin reaction
H318 — Causes serious eye damage
H410 — Very toxic to aquatic life with long lasting effects

Frequently Asked Questions

What is the CAS number of 4-Chlorodiphenyl ether?

The CAS number of 4-Chlorodiphenyl ether is 7005-72-3.

What are the molecular formula and molecular weight of 4-Chlorodiphenyl ether?

4-Chlorodiphenyl ether has molecular formula C12H9ClO and molecular weight 204.652 g/mol.

Is 4-Chlorodiphenyl ether hazardous?

4-Chlorodiphenyl ether has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H317 — May cause an allergic skin reaction; H318 — Causes serious eye damage.

What are the upstream and downstream products of 4-Chlorodiphenyl ether?

For 4-Chlorodiphenyl ether, Upstream Products: 4-Bromochlorobenzene, Phenol, 1-Chloro-4-iodobenzene; Downstream Products: 4-Chlorophenol, Phenol, 4-Phenoxyphenol.

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-Chlorodiphenyl ether (CAS 7005-72-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-30502-0 (accessed 2026-11-07).

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