3-Chloro-2-(chloromethyl)-2-methylpropanoic acid

3-氯-2-(氯甲基)-2-甲基丙酸

Also known as: 3,3'-Dichloropivalic acid, 2,2-Bis(chloromethyl)propionic acid, 2,2-Bis(chloromethyl)propanoic acid, 3-Chloro-2-(chloromethyl)-2-methylpropionic acid, 3-Chloro-2-chloromethyl-2-methylpropionic acid, Propanoic acid, 3-chloro-2-(chloromethyl)-2-methyl-

3-Chloro-2-(chloromethyl)-2-methylpropanoic acid (CAS 67329-11-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H8Cl2O2 and a molecular weight of 171.02200 g/mol. It is also known as 3,3'-Dichloropivalic acid, 2,2-Bis(chloromethyl)propionic acid and 2,2-Bis(chloromethyl)propanoic acid. Key properties include a melting point of 64-66ºC(lit.), a boiling point of 233.5ºC at 760 mmHg, a density of 1.33g/cm3 and a flash point of 95ºC. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
67329-11-7
Jingsj CID
J-1991319-3
Molecular Formula
C5H8Cl2O2
Chinese Name
3-氯-2-(氯甲基)-2-甲基丙酸
Molecular Weight
171.02200 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point64-66ºC(lit.)
Boiling Point233.5ºC at 760 mmHg
Density1.33g/cm3
Flash Point95ºC

GHS Safety & Compliance

CorrosionSignal word: Danger

Frequently Asked Questions

What is the CAS number of 3-Chloro-2-(chloromethyl)-2-methylpropanoic acid?

The CAS number of 3-Chloro-2-(chloromethyl)-2-methylpropanoic acid is 67329-11-7.

What are the molecular formula and molecular weight of 3-Chloro-2-(chloromethyl)-2-methylpropanoic acid?

3-Chloro-2-(chloromethyl)-2-methylpropanoic acid has molecular formula C5H8Cl2O2 and molecular weight 171.02200 g/mol.

Is 3-Chloro-2-(chloromethyl)-2-methylpropanoic acid hazardous?

3-Chloro-2-(chloromethyl)-2-methylpropanoic acid has GHS signal word Danger.

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

Last updated:

How to cite: Jingsj. "3-Chloro-2-(chloromethyl)-2-methylpropanoic acid (CAS 67329-11-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1991319-3 (accessed 2026-10-25).

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