Description

N1,N3-Dip-Tolylbenzene-1,3-Diamine is a high-purity aromatic diamine derivative, serving as a critical building block in advanced polymer synthesis. Its molecular structure provides excellent thermal stability and reactivity, making it a valuable intermediate for creating high-performance materials. This compound is essential for manufacturers in the polymer, specialty chemical, and pharmaceutical intermediate sectors seeking reliable, high-quality raw materials.

Application

• Polymer Industry: Key monomer for the synthesis of high-performance polyamides, polyimides, and polyurea elastomers.
• Epoxy Curing Agent: Used as a curing agent or hardener in epoxy resin systems, contributing to enhanced thermal and mechanical properties.
• Pharmaceutical Intermediates: Serves as a crucial synthetic intermediate in the production of certain active pharmaceutical ingredients (APIs).
• Dye and Pigment Synthesis: Acts as a precursor in the manufacture of azo dyes and organic pigments.
• Rubber Chemicals: Utilized as an antioxidant or antiozonant precursor in rubber compounding to improve product longevity.
• Adhesives and Sealants: A component in formulations requiring strong, heat-resistant bonding properties.
• Research & Development: Employed in academic and industrial R&D for developing novel polymeric materials and organic compounds.

Basic Information

Product Name	N1,N3-Dip-Tolylbenzene-1,3-Diamine
CAS No.	620-49-5
Molecular Formula	C20H20N2
Molecular Weight	288.39 g/mol
Synonyms	N,N'-Di-p-tolyl-m-phenylenediamine; 1,3-Bis(4-methylphenylamino)benzene; N,N'-Di(4-methylphenyl)-1,3-phenylenediamine; m-Phenylenebis(p-toluidine); DTPD; Antioxidant DTPD; Vulkanox DTPD; Kerobit DTPD
EINECS	210-647-2

Quality Control

Our N1,N3-Dip-Tolylbenzene-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. Certificates of Analysis (COA) documenting identity, purity, and impurity profiles are available for every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This material is light-sensitive and easily oxidized; for long-term storage, consider an inert atmosphere (e.g., nitrogen) to maintain optimal quality. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Off-white to light brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	145 - 150 °C
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.