2,6-diaminotoluene (CAS No. 823 - 40 - 5) is a high - quality chemical product with a competitive price. Chemically, it has a molecular formula of C₇H₁₀N₂ and a molecular weight of approximately 122.17 g/mol. It appears as a solid with specific melting and boiling points. The melting point of 2,6 - diaminotoluene is around 104 - 106°C. It shows certain solubility characteristics in different solvents. It is sparingly soluble in water but can dissolve in some organic solvents like ethanol and ether. This solubility property affects its behavior in various chemical reactions and applications.
2,6 - diaminotoluene has a wide range of applications in different industries. In the polymer industry, it serves as an important monomer for the synthesis of certain types of polyamides and polyurethanes. These polymers have excellent mechanical properties, such as high strength and good abrasion resistance, which make them suitable for manufacturing engineering plastics, fibers, and coatings. For example, in the production of high - performance fibers, 2,6 - diaminotoluene - based polymers can be used to create fibers for aerospace components due to their light - weight and high - strength characteristics.
In the dye industry, 2,6 - diaminotoluene is a key intermediate for the synthesis of various dyes. It can react with different coupling agents to form dyes with different colors and properties. These dyes are widely used in the textile industry for dyeing natural and synthetic fibers, ensuring bright and long - lasting colors.
When using 2,6 - diaminotoluene, it is crucial to follow strict safety procedures. First, it should be stored in a cool, dry, and well - ventilated area, away from direct sunlight and heat sources. Before use, appropriate personal protective equipment (PPE) such as gloves, safety glasses, and a lab coat should be worn to avoid direct contact with the skin, eyes, and inhalation of dust. When handling the solid form, it is recommended to use a spatula or other appropriate tools to minimize the generation of dust. In chemical reactions, accurate measurement of the amount of 2,6 - diaminotoluene is necessary to ensure the correct reaction stoichiometry. It should be added gradually to the reaction system under appropriate temperature and stirring conditions to ensure a smooth reaction.
Case 1: Polyamide Synthesis
A chemical company aimed to produce a new type of high - strength polyamide for automotive parts. They used 2,6 - diaminotoluene as one of the key monomers. By carefully controlling the reaction conditions, including temperature, pressure, and the ratio of monomers, they were able to synthesize a polyamide with excellent mechanical properties. The produced polyamide was then used to manufacture automotive engine covers. These covers demonstrated high heat resistance and mechanical strength, which improved the overall performance and reliability of the engines.
Caso 2: Producción de tintes
A textile dyeing factory needed a bright red dye for cotton fabrics. They used 2,6 - diaminotoluene as an intermediate to synthesize the desired dye. After a series of chemical reactions and purification steps, they obtained a high - quality red dye. When used to dye cotton fabrics, the dye showed good color fastness, even after multiple washes, and provided a vivid and attractive color to the fabrics, meeting the market demand for high - quality dyed textiles.
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