Description

1H-Benzotriazole-5-Carboxylic Acid Ethyl Ester is a versatile benzotriazole derivative, a key heterocyclic building block prized for its functional group versatility and role in synthesizing complex organic molecules. This compound matters for its ability to introduce the benzotriazole moiety, which is crucial for developing compounds with specific photochemical, coordination, or biological properties. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials industries for creating active ingredients, ligands, and functional polymers.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of novel drug candidates, particularly those targeting specific enzyme inhibition or receptor modulation.
• Agrochemical Synthesis: Used in the development of advanced pesticides, herbicides, and fungicides where the benzotriazole core contributes to stability and bioactivity.
• Corrosion Inhibitor Precursor: A key starting material for manufacturing high-performance corrosion inhibitors used in industrial coolants and metal treatment fluids.
• Polymer & Material Science: Incorporated into polymers to enhance UV stability, thermal resistance, or to create functional materials with specific electronic properties.
• Organic Synthesis Building Block: Utilized in coupling reactions, esterifications, and as a directing group in multi-step synthetic routes for complex organic molecules.
• Photographic Chemical Intermediate: Employed in the synthesis of compounds used in photographic developers and other imaging chemicals.

Basic Information

Product Name	1H-Benzotriazole-5-Carboxylic Acid Ethyl Ester
CAS No.	73605-91-1
Molecular Formula	C9H9N3O2
Molecular Weight	191.19 g/mol
Synonyms	Ethyl 1H-Benzotriazole-5-carboxylate; Ethyl Benzotriazole-5-carboxylate; 5-(Ethoxycarbonyl)-1H-benzotriazole; 1H-1,2,3-Benzotriazole-5-carboxylic Acid Ethyl Ester; BTA-5-COOEt; 5-Carbethoxybenzotriazole; 73605-91-1; Benzotriazole-5-carboxylic acid ethyl ester
EINECS	Contact for details

Quality Control

Our 1H-Benzotriazole-5-Carboxylic Acid Ethyl Ester is produced under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation by IR and NMR spectroscopy, to ensure it meets exacting standards for research and industrial use. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, the container should be opaque or stored in darkness.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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