2-Chloro Phenyl Acetic Acid

2-Chloro Phenyl Acetic Acid, also known as o-Chloro Phenyl Acetic Acid or 2-Chlorobenzeneacetic Acid, has the chemical formula C8H7CIO2. It belongs to the class of organic compounds known as phenylacetic acids and is a white to light yellow crystalline solid at room temperature.

The compound is sparingly soluble in water but readily dissolves in organic solvents like ethanol, methanol, and acetone. It decomposes at higher temperatures.

  • Chemical Formula : C8H7CIO2
  • CAS No : 2444-36-2
  • EC No : 219-480-0
  • Melting range : 92o - 95oC
  • Boiling Point : 145oC
  • Purity : Minimum 99.00% (by GC)
  • Moisture : Maximum 0.50%
  • Packaging : The product is packaged as 50 kg net weight in HDPE woven bags with polyliner.


2-Chloro Phenyl Acetic Acid is widely used in the agrochemical sector for the production of plant growth regulators, specifically auxins. Auxins play a vital role in plant growth and development, controlling processes such as cell elongation and differentiation. Indole-3-acetic acid (IAA) and 1-naphthaleneacetic acid (NAA) are two prominent auxins derived from 2-CPAA, used to promote root development, induce rooting in cuttings, and enhance fruit setting.

The pharmaceutical industry is one of the primary consumers of 2-Chloro Phenyl Acetic Acid. It serves as a crucial intermediate in the synthesis of various drugs, including non-steroidal anti-inflammatory drugs (NSAIDs), analgesics, and antibiotics. The chloro group on the phenyl ring allows for selective functionalization and coupling reactions, enabling the production of a diverse range of drug molecules. Additionally, 2-CPAA is utilized in the synthesis of penicillin-based antibiotics.

As a versatile chemical intermediate, 2-Chloro Phenyl Acetic Acid serves as a building block in various organic synthesis routes. It participates in reactions such as esterification, amidation, and substitution reactions, leading to the production of specialty chemicals and compounds used in diverse industrial applications.

2-CPAA is an essential reagent in laboratory research, particularly in organic chemistry. It is employed in the development of new chemical transformations and the synthesis of complex organic molecules. Its unique chemical properties and availability in high purity make it a valuable tool for scientists exploring novel chemical reactions and pharmaceutical synthesis.

This compound finds applications in the pharmaceutical industry, where it is used as an intermediate in the synthesis of certain drugs and pharmaceuticals. It can also serve as a precursor for the preparation of other chemical compounds.

Like its hydroxyl counterpart, 2-Chloro Phenyl Acetic Acid is employed as an intermediate in pharmaceutical synthesis. Additionally, it is used in the production of agrochemicals, specifically auxins, which play a crucial role in plant growth regulation and development.



2-Chloro Phenyl Acetic Acid (2-CPAA) is a crucial compound with a broad range of applications in the pharmaceutical, agricultural, and chemical industries. Its ability to act as a key intermediate in drug synthesis and agrochemical production makes it a sought-after compound. With ongoing advancements in synthetic chemistry, the applications of 2-CPAA are likely to expand further, contributing to advancements in various industries and scientific research.