Description

2,3,5,6-Tetramethyl-1,4-Phenylenediamine is a high-purity aromatic diamine derivative, serving as a critical building block and intermediate in advanced chemical synthesis. Its value lies in its unique sterically hindered structure, which provides enhanced stability and specific reactivity profiles compared to unsubstituted phenylenediamines. This compound is essential for researchers and manufacturers in the polymer, agrochemical, and specialty chemical industries, where it is used to develop high-performance materials and functional molecules.

Application

• Polymer Industry: Key monomer for the synthesis of specialized polyimides and polyamides with high thermal stability, used in advanced coatings and engineering plastics.
• Agrochemical Synthesis: Intermediate in the production of certain herbicides, fungicides, and plant growth regulators, leveraging its diamine functionality.
• Pharmaceutical Intermediates: Serves as a precursor in the synthesis of complex organic molecules and active pharmaceutical ingredients (APIs).
• Dye and Pigment Manufacturing: Used in the creation of oxidation dyes and high-performance pigments due to its electron-donating properties.
• Rubber & Tire Chemicals: Acts as an antioxidant and antiozonant precursor, helping to prevent degradation in rubber compounds.
• Research & Development: Valuable reagent in organic synthesis for coupling reactions and as a ligand precursor in coordination chemistry.
• Epoxy Curing Agents: Can be utilized as a hardener or co-hardener in epoxy resin systems, contributing to cross-linking density.

Basic Information

Product Name	2,3,5,6-Tetramethyl-1,4-Phenylenediamine
CAS No.	3102-87-2
Molecular Formula	C10H16N2
Molecular Weight	164.25 g/mol
Synonyms	1,4-Diamino-2,3,5,6-tetramethylbenzene; Durenediamine; Tetramethyl-p-phenylenediamine; TMPD; 2,3,5,6-Tetramethyl-1,4-benzenediamine; N,N'-Tetramethyl-p-phenylenediamine (common for oxidized form); 2,3,5,6-Tetramethylbenzene-1,4-diamine
EINECS	221-456-1

Quality Control

Our 2,3,5,6-Tetramethyl-1,4-Phenylenediamine is produced under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for industrial and research applications. Certificates of Analysis (COA) detailing all specification parameters are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). Due to its properties of being light-sensitive and easily oxidized, it is recommended to store the material under an inert atmosphere (e.g., nitrogen or argon) for long-term preservation to maintain optimal purity and prevent degradation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	168°C - 172°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.