Description

3-Chloro-2-Methylpropionic Acid is a versatile chlorinated carboxylic acid derivative, serving as a key synthetic intermediate in the production of fine chemicals and active pharmaceutical ingredients (APIs). Its value lies in its reactive chloro and carboxyl functional groups, which enable a range of chemical transformations, including esterification, amidation, and nucleophilic substitution. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to build complex molecular architectures.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of various active pharmaceutical ingredients (APIs) and drug candidates.
• Agrochemical Synthesis: Used in the production of herbicides, pesticides, and plant growth regulators.
• Polymer Chemistry: Acts as a monomer or co-monomer for modifying polymer properties and creating specialty resins.
• Fine Chemical Production: Serves as a precursor for flavors, fragrances, and other high-value specialty chemicals.
• Organic Synthesis Reagent: Employed in laboratory-scale and industrial organic synthesis for introducing the 2-methylpropionic acid moiety.
• Liquid Crystal & Electronic Materials: A potential intermediate in the synthesis of advanced materials for electronic applications.

Basic Information

Product Name	3-Chloro-2-Methylpropionic Acid
CAS No.	16674-04-7
Molecular Formula	C4H7ClO2
Molecular Weight	122.55 g/mol
Synonyms	3-Chloro-2-methylpropanoic acid; β-Chloroisobutyric acid; 2-Methyl-3-chloropropionic acid; 3-Chloro-2-methylpropanoic acid; NSC 403697; 3-Chloroisobutyric acid; (RS)-3-Chloro-2-methylpropionic acid
EINECS	240-735-4

Quality Control

Our 3-Chloro-2-Methylpropionic Acid is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including assay, purity, and impurity profile determination via modern techniques like HPLC and GC, to ensure it meets precise customer specifications and industry standards. Certificates of Analysis (COA) are provided with each shipment to guarantee traceability, consistency, and reliability for your critical processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases and oxidizing agents. Recommended storage temperature is between 15°C and 25°C. Due to its nature as a strong acid/organic solvent, ensure containers are kept upright and sealed to prevent moisture ingress and volatilization.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Individual impurity ≤ 0.5% Total impurities ≤ 1.5%
Refractive Index (20°C)	1.445 - 1.455
Density (20°C)	1.18 - 1.22 g/cm³

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.