bis(4-chlorophenyl)acetic acid

双(4-氯苯基)乙酸

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. It is also known as 4,4'-DDA, p,p'-DDA and 2,2-bis(4-chlorophenyl)acetic acid. 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. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
83-05-6
Jingsj CID
J-1401457-2
Molecular Formula
C14H10Cl2O2
Chinese Name
双(4-氯苯基)乙酸
Molecular Weight
281.13400 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point167-169ºC(lit.)
Boiling Point411.4ºC at 760 mmHg
Density1.373g/cm3
Flash Point202.6ºC

GHS Safety & Compliance

Irritant / Health HazardSignal word: Warning

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.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "bis(4-chlorophenyl)acetic acid (CAS 83-05-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1401457-2 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.