Description

Benzenesulfonic Acid,4-Methyl-, 2-(2-Thienylmethylene)Hydrazide CAS NO 36331-49-4 is a specialized organic compound featuring a benzenesulfonic acid core linked to a thienyl-substituted hydrazide moiety. This unique molecular architecture makes it a valuable intermediate for synthesizing more complex chemical entities, particularly in advanced material science and pharmaceutical research. It is primarily sought by R&D chemists and process development scientists working in fine chemical synthesis, agrochemical development, and as a potential ligand or precursor in coordination chemistry.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those targeting specific receptor sites.
• Agrochemical Research: Used in the development and prototyping of new herbicides, fungicides, or plant growth regulators due to its bioactive hydrazide structure.
• Coordination Chemistry & Material Science: Acts as a potential ligand for metal complexes, which can be applied in catalysis or the creation of functional materials.
• Organic Synthesis Reagent: Employed in research-scale reactions to introduce specific functional groups or as a coupling agent in multi-step synthetic pathways.
• Dye & Pigment Intermediate: Utilized in the development of specialized dyes and pigments, leveraging the conjugated system for color properties.
• Analytical Chemistry: May be used as a standard or reagent in method development for chromatographic analysis or spectroscopic studies.

Basic Information

Product Name	Benzenesulfonic Acid,4-Methyl-, 2-(2-Thienylmethylene)Hydrazide
CAS No.	36331-49-4
Molecular Formula	C12H12N2O2S2
Molecular Weight	280.36 g/mol
Synonyms	4-Methylbenzenesulfonic acid (2-thiophen-2-ylmethylene)hydrazide; p-Toluenesulfonic acid 2-(2-thienylmethylene)hydrazide; 2-(2-Thienylmethylene)hydrazide of p-toluenesulfonic acid; Toluenesulfonyl hydrazone of 2-thiophenecarboxaldehyde; (2-Thiophen-2-ylmethylidene)hydrazine-1-sulfonic acid, 4-methylphenyl ester (IUPAC); TSH (common abbreviation); CAS 36331-49-4.
EINECS	Contact for details

Quality Control

Our Benzenesulfonic Acid,4-Methyl-, 2-(2-Thienylmethylene)Hydrazide is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity assessment and spectroscopic methods for structural confirmation, to ensure it meets the high standards required for research and development applications. Certificates of Analysis (COA) detailing batch-specific results are available upon request to support your quality assurance and regulatory documentation needs.

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). Due to its nature as an easily oxidized compound, it is recommended to store under an inert atmosphere (e.g., nitrogen or argon) for long-term preservation, especially after opening the primary container. Keep away from heat, sparks, and open flame.

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.