Description

2,1,3-Benzothiadiazole CAS NO 73-13-2 is a heterocyclic organic compound featuring a fused benzene and thiadiazole ring system. This versatile chemical building block is valued for its unique electronic and photophysical properties, making it a critical intermediate in advanced material synthesis. It is primarily sought after by manufacturers and research institutions in the agrochemical, pharmaceutical, and organic electronics sectors for developing novel compounds.

Application

• Key synthetic intermediate in the production of herbicides, fungicides, and insecticides for crop protection.
• Building block for pharmaceutical active ingredients, particularly in antiviral and anticancer research.
• Core component in the synthesis of organic semiconductors and electron-transport materials for OLEDs and solar cells.
• Precursor for fluorescent dyes and sensors due to its photoluminescent properties.
• Used in corrosion inhibitors for industrial applications.
• Intermediate in polymer chemistry to create functional materials with specific electronic characteristics.
• Starting material for ligands in catalysis and coordination chemistry.

Basic Information

Product Name	2,1,3-Benzothiadiazole
CAS No.	73-13-2
Molecular Formula	C6H4N2S
Molecular Weight	136.17 g/mol
Synonyms	Benzothiadiazole; 2,1,3-Benzothiadiazole; Benzo-2,1,3-thiadiazole; 1,2,5-Thiadiazolo[3,4-f]benzene; BTD; 2,1,3-Benzoselenadiazole analog (common search variant); EINECS 200-795-7
EINECS	200-795-7

Quality Control

Our 2,1,3-Benzothiadiazole is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications. We support custom synthesis and can tailor purity grades to meet specific research or industrial requirements.

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. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	42 - 45 °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.