bis(4-chlorophenyl)acetic acid

Also known as: 4,4'-DDA, p,p'-DDA, 2,2-bis(4-chlorophenyl)acetic acid, 2,2-bis(p-chlorophenyl)acetic acid, dichlorodiphenylacetic acid, bis(p-chlorophenyl)acetic acid, p,p'-dichlorodiphenylacetic acid, DDA, TIMTEC-BB SBB003019, MFCD00004248

bis(4-chlorophenyl)acetic acid (CAS 83-05-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C14H10Cl2O2 and a molecular weight of 281.13400 g/mol. Key properties include a melting point of 167-169ºC(lit.), a boiling point of 411.4ºC at 760 mmHg, a density of 1.373g/cm3 and a flash point of 202.6ºC. 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.: 83-05-6
Jingsj CID: J-1401457-4
Molecular Formula: C₁₄H₁₀Cl₂O₂
Molecular Weight: 281.13400 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	167-169ºC(lit.)
Boiling Point	411.4ºC at 760 mmHg
Density	1.373g/cm3
Flash Point	202.6ºC
Exact Mass	280.00600
PSA	37.30000
LogP	4.20990
Refractive Index	1.616

GHS Safety & Compliance

Irritant / Health HazardSignal word: Warning

H302 — Harmful if swallowed
H312 — Harmful in contact with skin
H332 — Harmful if inhaled
H351 — Suspected of causing cancer

Customs & Trade Information

HS Code	2916399090
Summary	2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of bis(4-chlorophenyl)acetic acid?

The CAS number of bis(4-chlorophenyl)acetic acid is 83-05-6.

What are the molecular formula and molecular weight of bis(4-chlorophenyl)acetic acid?

bis(4-chlorophenyl)acetic acid has molecular formula C14H10Cl2O2 and molecular weight 281.13400 g/mol.

Is bis(4-chlorophenyl)acetic acid hazardous?

bis(4-chlorophenyl)acetic acid 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 bis(4-chlorophenyl)acetic acid?

For bis(4-chlorophenyl)acetic acid, Upstream Products: 4,4'-DDT, Carbon, 4,4'-DDE; Downstream Products: 4,4'-Dichlorobenzophenone, 4-Chloro-3,5-dinitrobenzoic acid, Ethyl 2,2-bis(4-chlorophenyl)acetate.

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. "bis(4-chlorophenyl)acetic acid (CAS 83-05-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1401457-4 (accessed 2026-11-09).

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