Description

5-Methylbenzene-1,3-Diamine (CAS NO 26764-44-3) is a high-purity aromatic diamine derivative, serving as a critical building block in advanced organic synthesis. Its primary value lies in its dual amine functionality, which enables the formation of high-performance polymers and heterocyclic compounds. This intermediate is essential for manufacturers in the polymer, pharmaceutical, and specialty chemical industries seeking to develop products with enhanced thermal and mechanical properties.

Application

• Polymer Industry: A key monomer for the synthesis of polyimides, polyamides, and polybenzimidazoles, contributing to high-temperature resistant plastics, films, and fibers.
• Pharmaceutical Intermediates: Used in the synthesis of active pharmaceutical ingredients (APIs) and various heterocyclic compounds, including benzimidazoles.
• Dye and Pigment Manufacturing: Acts as a precursor for azo dyes and other complex colorants, providing excellent color fastness and stability.
• Epoxy Curing Agents: Functions as a curing agent or hardener in epoxy resin systems, improving cross-linking density and final material performance.
• Corrosion Inhibitors: Employed in the formulation of specialty chemicals that protect metals in industrial processes.
• Research & Development: Serves as a versatile reagent in academic and industrial R&D for exploring new chemical entities and material science applications.

Basic Information

Product Name	5-Methylbenzene-1,3-Diamine
CAS No.	26764-44-3
Molecular Formula	C7H10N2
Molecular Weight	122.17 g/mol
Synonyms	3-Amino-5-methylaniline; 5-Methyl-m-phenylenediamine; 1,3-Diamino-5-methylbenzene; 3,5-Diaminotoluene; 5-Methyl-1,3-benzenediamine; Toluene-3,5-diamine; m-Toluenediamine; 3,5-Toluenediamine
EINECS	Contact for details

Quality Control

Our 5-Methylbenzene-1,3-Diamine is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC and GC analysis, to ensure high purity and consistency. We provide comprehensive Certificates of Analysis (COA) with every shipment, detailing all specified parameters. Our quality commitment aligns with cGMP principles for industrial and fine chemical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This product is light-sensitive (store away from light) and easily oxidized (store under inert atmosphere). Keep away from heat, sparks, open flames, and incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Light yellow to brown crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Melting Point	95 - 100 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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