Description

3-Chlorosalicylic Acid is a versatile halogenated derivative of salicylic acid, serving as a critical synthetic intermediate in advanced organic chemistry. Its value lies in the strategic positioning of the chlorine atom, which enables selective functionalization and the synthesis of complex molecules. This compound is essential for manufacturers and R&D laboratories in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop new active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of non-steroidal anti-inflammatory drugs (NSAIDs), antimicrobial agents, and other active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators, leveraging its bioactivity as a modified phenolic compound.
• Dye and Pigment Manufacturing: Acts as a precursor for azo dyes and other colorants, where the chlorosalicylate structure influences hue and fastness properties.
• Organic Synthesis & Research: A valuable reagent for introducing the chlorosalicyloyl moiety into larger molecules, facilitating studies in medicinal chemistry and material science.
• Polymer Additives: Can be utilized in the synthesis of monomers for specialty polymers or as an additive to impart specific functional properties.

Basic Information

Product Name	3-Chlorosalicylic Acid
CAS No.	1829-32-9
Molecular Formula	C7H5ClO3
Molecular Weight	172.57 g/mol
Synonyms	3-Chloro-2-hydroxybenzoic acid; 2-Hydroxy-3-chlorobenzoic acid; 3-Chlorosalicylate; m-Chlorosalicylic Acid; NSC 403697; Benzoic acid, 3-chloro-2-hydroxy-; 3-CSA
EINECS	217-389-8

Quality Control

Our 3-Chlorosalicylic Acid is produced under a stringent quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting standards for use in sensitive applications. Certificates of Analysis (COA) detailing all test results are provided to guarantee traceability, consistency, and compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong bases, oxidizing agents, and sources of ignition.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	173°C - 178°C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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