2,2-Bis(4-chlorophenyl)ethanol

Also known as: DDOH, 4,4'-DDOH, Benzeneethanol, 4-chloro-β-(4-chlorophenyl)-, 2,2-Bis(4-chlorophenyl)-1-ethanol, 2,2-Bis(p-chlorophenyl)ethanol, Bis(p-chlorophenyl)ethanol, p,p'-DDOH, DDOM, Caswell No. 091B, NSC 8942, 4-Chloro-β-(4-chlorophenyl)benzeneethanol

2,2-Bis(4-chlorophenyl)ethanol (CAS 2642-82-2) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C14H12Cl2O and a molecular weight of 267.15000 g/mol. Key properties include a melting point of 100-102ºC(lit.), a boiling point of 387.7ºC at 760mmHg, a density of 1.287g/cm3 and a flash point of 145.9ºC. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 2642-82-2
Jingsj CID: J-1119747-0
Molecular Formula: C₁₄H₁₂Cl₂O
Molecular Weight: 267.15000 g/mol
Category: Solvents
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	100-102ºC(lit.)
Boiling Point	387.7ºC at 760mmHg
Density	1.287g/cm3
Flash Point	145.9ºC
Exact Mass	266.02700
PSA	20.23000
LogP	4.11760
Vapor Pressure	1.05E-06mmHg at 25°C
Refractive Index	1.605

GHS Safety & Compliance

IrritantSignal word: Warning

H302 — Harmful if swallowed
H312 — Harmful in contact with skin
H332 — Harmful if inhaled
H315 — Causes skin irritation
H319 — Causes serious eye irritation
H335 — May cause respiratory irritation

Frequently Asked Questions

What is the CAS number of 2,2-Bis(4-chlorophenyl)ethanol?

The CAS number of 2,2-Bis(4-chlorophenyl)ethanol is 2642-82-2.

What are the molecular formula and molecular weight of 2,2-Bis(4-chlorophenyl)ethanol?

2,2-Bis(4-chlorophenyl)ethanol has molecular formula C14H12Cl2O and molecular weight 267.15000 g/mol.

Is 2,2-Bis(4-chlorophenyl)ethanol hazardous?

2,2-Bis(4-chlorophenyl)ethanol has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H332 — Harmful if inhaled.

What are the upstream and downstream products of 2,2-Bis(4-chlorophenyl)ethanol?

For 2,2-Bis(4-chlorophenyl)ethanol, Upstream Products: bis(4-chlorophenyl)acetic acid, 4,4'-DDMU, 4,4'-DDT.

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. "2,2-Bis(4-chlorophenyl)ethanol (CAS 2642-82-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1119747-0 (accessed 2026-11-07).

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