Description

1,2-Benzenediamine, 3-(Methylthio)- is a specialized aromatic diamine derivative, distinguished by the presence of a methylthio substituent. This compound is valued for its dual functional groups, which make it a versatile intermediate in the synthesis of complex heterocyclic systems and high-performance polymers. It is primarily sought by R&D chemists and process engineers in the pharmaceutical, agrochemical, and advanced materials sectors for constructing novel molecular architectures.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of benzimidazole and quinoxaline derivatives with potential biological activity.
• Agrochemical Synthesis: Used in the production of advanced fungicides, herbicides, and plant growth regulators.
• Polymer & Resin Modifier: Serves as a curing agent or chain extender in epoxy and polyurethane systems to enhance thermal and chemical resistance.
• Dye & Pigment Manufacturing: Intermediate for creating specialized azo dyes and organic pigments with unique color fastness properties.
• Corrosion Inhibitor Formulation: Component in specialty chemical blends designed to protect metals in harsh industrial environments.
• Research & Development: A valuable reagent in academic and industrial labs for exploring new synthetic pathways and material properties.

Basic Information

Product Name	1,2-Benzenediamine, 3-(Methylthio)-
CAS No.	351458-31-6
Molecular Formula	C7H10N2S
Molecular Weight	154.23 g/mol
Synonyms	3-(Methylthio)-1,2-benzenediamine; 3-(Methylthio)benzene-1,2-diamine; 1,2-Diamino-3-(methylthio)benzene; 3-Methylmercapto-o-phenylenediamine; o-Phenylenediamine, 3-(methylthio)-; 3-Methylthio-1,2-diaminobenzene; 3-(Methylsulfanyl)benzene-1,2-diamine
EINECS	Contact for details

Quality Control

Our production of 1,2-Benzenediamine, 3-(Methylthio)- adheres to stringent quality management protocols to ensure batch-to-batch consistency and reliability. Each lot is characterized using advanced analytical techniques including HPLC, GC, and NMR to confirm identity and purity. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your quality assurance and regulatory compliance 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 hygroscopic nature, the container must be kept tightly sealed to exclude moisture. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Light yellow to brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
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.