Description

5-Chlorobenzotriazole is a versatile heterocyclic organic compound widely used as a key intermediate and functional additive. Its value lies in its ability to act as a corrosion inhibitor, UV stabilizer, and building block for more complex molecules. This product is essential for manufacturers in the polymer, photographic, and specialty chemical industries seeking to enhance material performance and stability.

Application

• As a corrosion inhibitor in metalworking fluids, coolants, and coatings for copper and its alloys.
• As a UV absorber and light stabilizer in polymers, plastics, and photographic chemicals to prevent degradation.
• As a key pharmaceutical intermediate in the synthesis of various active pharmaceutical ingredients (APIs).
• As a chemical synthesis building block for agrochemicals, dyes, and other specialty organic compounds.
• In analytical chemistry as a reagent for metal ion complexation and detection.
• For research and development purposes in academic and industrial laboratories.

Basic Information

Product Name	5-Chlorobenzotriazole
CAS No.	94-97-3
Molecular Formula	C6H4ClN3
Molecular Weight	153.57 g/mol
Synonyms	5-Chloro-1H-benzotriazole; 1H-Benzotriazole, 5-chloro-; 5-Chloro-1,2,3-benzotriazole; 5-Chlorobenzotriazole; 5-CBT; NSC 403697; Chlorobenzotriazole; CBT
EINECS	202-382-7

Quality Control

Our 5-Chlorobenzotriazole is produced under a stringent quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for identity, purity, and impurity profiles. Certificates of Analysis (COA) documenting these results are available upon request to support your quality assurance and regulatory compliance needs.

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 heat, sparks, and open flame. This material is light-sensitive and should be stored away from light.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	155°C - 160°C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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