Intermediates

3,4-Diaminotoluene

  • CAS No.496-72-0
  • GradeIndustrial / Pharmaceutical
  • Availability● In Stock

High purity 3,4-Diaminotoluene (CAS 496-72-0) supplied for hair dye formulations and polymer synthesis. Reliable quality with full COA documentation.

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Product Technical Details

Product Overview

3,4-Diaminotoluene, also known commercially as 3,4-Toluenediamine, is a critical aromatic diamine intermediate utilized extensively across the fine chemical and personal care industries. With the CAS registry number 496-72-0, this compound serves as a fundamental building block for the synthesis of advanced azo dyes, particularly within the hair coloring sector. Our manufacturing facility ensures consistent production quality, adhering to strict international standards for chemical intermediates. The material is characterized by its high reactivity and stability, making it an ideal choice for formulators requiring precise coupling agents.

As a dedicated manufacturer with decades of experience in organic synthesis, we provide this product with comprehensive quality assurance. The compound features a methyl-substituted benzene ring with two amine groups, facilitating diverse chemical transformations. Whether used in polymer curing processes or as a key component in oxidative hair dye systems, 3,4-Diaminotoluene delivers reliable performance. Our supply chain is optimized for global distribution, ensuring timely delivery for bulk industrial requirements.

Technical Specifications

ParameterSpecificationTypical Result
AppearanceOff-white to Orange Yellow PowderOff-white Solid
Purity (HPLC)≥99.0%99.61%
Melting Point87-89°C88.2°C
Moisture Content≤0.5%0.17%
Ash Content≤0.1%0.05%
Molecular FormulaC7H10N2Conforms
Molecular Weight122.17 g/molConforms

Industrial Applications

The primary application of 3,4-Diaminotoluene lies in the cosmetics and personal care industry, specifically as a coupler in permanent hair dye formulations. It reacts with primary intermediates to develop desired shades through oxidative coupling. Beyond cosmetics, this chemical intermediate is valuable in the production of specialized polymers and agrochemicals. Its versatility allows it to function as a chain extender or curing agent in specific polyurethane systems. Researchers also utilize this compound in the synthesis of heterocyclic compounds and pharmaceutical intermediates, although it is not marketed as an active pharmaceutical ingredient itself.

Quality Assurance and Manufacturing

Our production process employs advanced purification techniques to ensure the removal of isomers and impurities. Each batch undergoes rigorous testing via High-Performance Liquid Chromatography (HPLC) and Gas Chromatography (GC) to verify purity levels exceeding 99%. We provide a Certificate of Analysis (COA) with every shipment, detailing all critical quality parameters. Our quality control team monitors every stage from raw material sourcing to final packaging, ensuring compliance with safety and environmental regulations. This commitment to quality makes us a preferred partner for large-scale chemical procurement.

Packaging and Storage

To maintain product integrity during transit, 3,4-Diaminotoluene is packaged in 25 kg drums lined with protective materials to prevent moisture absorption and oxidation. Custom packaging solutions are available upon request to suit specific logistical needs. The product should be stored in a cool, dry, and well-ventilated area, away from direct sunlight and incompatible substances such as strong oxidizing agents. Proper handling procedures, including the use of personal protective equipment, are recommended during loading and unloading operations. We support global shipping with appropriate hazardous material documentation.