Description

1H-Benzotriazole-4-Carboxaldehyde (9Ci) CAS NO 125873-34-9 is a versatile benzotriazole derivative that serves as a key synthetic intermediate in advanced organic chemistry. Its value lies in its reactive aldehyde functional group, which enables its use in the construction of complex heterocyclic systems and functional materials. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries, where it is used to develop new active ingredients and performance chemicals.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of novel drug candidates, particularly those targeting specific enzyme inhibitors or receptor modulators.
• Agrochemical Synthesis: Used in the research and development of new pesticides, herbicides, and fungicides, leveraging the benzotriazole scaffold for biological activity.
• Organic Light-Emitting Diodes (OLEDs): Serves as a precursor for electron-transport materials or emissive layer components in display and lighting technologies.
• Corrosion Inhibitor Precursor: Acts as a starting material for synthesizing specialized benzotriazole-based compounds used to protect metals in industrial fluids.
• Coordination Chemistry & Ligand Synthesis: The aldehyde group allows for the creation of Schiff base ligands used in catalysis and material science.
• Polymer Modification: Incorporated into polymer chains to impart specific properties like UV stability or enhanced adhesion.

Basic Information

Product Name	1H-Benzotriazole-4-Carboxaldehyde (9Ci)
CAS No.	125873-34-9
Molecular Formula	C7H5N3O
Molecular Weight	147.13 g/mol
Synonyms	1H-1,2,3-Benzotriazole-4-carboxaldehyde; 4-Formyl-1H-benzotriazole; Benzotriazole-4-carbaldehyde; 1,2,3-Benzotriazole-4-carboxaldehyde; 4-Carboxybenzotriazole aldehyde; BTZ-4-CHO; 4-Aldehyde-1H-benzotriazole
EINECS	Contact for details

Quality Control

Our 1H-Benzotriazole-4-Carboxaldehyde is produced under strict quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation by IR and NMR spectroscopy, to ensure it meets the high standards required for research and industrial synthesis. A Certificate of Analysis (COA) detailing all specifications is provided with each shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This compound is easily oxidized; for long-term storage, consider keeping under an inert atmosphere such as nitrogen or argon. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
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.