Description

Benzenesulfonic Acid, 4-Methyl-, 2-(2,3-Dihydro-4H-1-Benzopyran-4-Ylidene)Hydrazide is a specialized organic compound that serves as a key intermediate and functional material in advanced chemical synthesis. Its unique molecular structure, featuring a benzopyranylidene hydrazide moiety linked to a toluenesulfonic acid derivative, makes it valuable for applications requiring specific chromogenic, chelating, or photoactive properties. This product is primarily utilized by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty dye sectors for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Used in the research and synthesis of novel drug candidates, particularly those targeting neurological or metabolic pathways.
• Agrochemical Research: Serves as a building block for developing new herbicides, fungicides, or plant growth regulators with enhanced activity.
• Dye & Pigment Precursor: Acts as a key intermediate in the production of specialized dyes, pigments, and colorants for technical applications.
• Chemical Sensor Development: Utilized in academic and industrial R&D for creating selective chemosensors or indicators due to its potential chromogenic response.
• Coordination Chemistry: Employed as a ligand or precursor in the synthesis of metal-organic complexes for catalytic or material science applications.
• Polymer Additive: Investigated for use as a functional monomer or stabilizer in the formulation of advanced polymeric materials.

Basic Information

Product Name	Benzenesulfonic Acid, 4-Methyl-, 2-(2,3-Dihydro-4H-1-Benzopyran-4-Ylidene)Hydrazide
CAS No.	93622-12-9
Molecular Formula	C₁₇H₁₆N₂O₃S
Molecular Weight	328.38 g/mol
Synonyms	4-Methylbenzenesulfonic acid (2,3-dihydro-4H-1-benzopyran-4-ylidene)hydrazide; p-Toluenesulfonic acid chroman-4-ylidenehydrazide; 2-(2,3-Dihydro-4H-1-benzopyran-4-ylidene)hydrazine-1-sulfonic acid, 4-methyl derivative; Chroman-4-ylidene-p-toluenesulfonohydrazide; 93622-12-9; (4-Methylphenyl)sulfonyl-[(4-chromanylidene)]-hydrazine; Tosyl chromanylidene hydrazide
EINECS	Contact for details

Quality Control

Our Benzenesulfonic Acid, 4-Methyl-, 2-(2,3-Dihydro-4H-1-Benzopyran-4-Ylidene)Hydrazide is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specific results for assay, related substances, and other critical parameters are available for every shipment. We support compliance with global regulatory frameworks, including REACH.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This compound is easily oxidized and should be handled under an inert atmosphere when appropriate for prolonged operations. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Single Maximum Unknown Impurity	≤ 0.5%

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