The product, Factory Supply 2,6 - Diaminoanthraquinone CAS 131 - 14 - 6 With Good Price, is a significant chemical compound. Its CAS number, 131 - 14 - 6, serves as a unique identifier in the chemical industry. The molecular formula of 2,6 - Diaminoanthraquinone is C₁₄H₁₀N₂O₂, and it has a molecular weight of approximately 238.24 g/mol. This compound usually appears as a red - brown to purple - brown crystalline powder. It has relatively low solubility in water but is soluble in organic solvents such as ethanol, acetone, and dimethylformamide (DMF). The melting point of 2,6 - Diaminoanthraquinone is around 360 - 362°C. These physical and chemical properties play a crucial role in determining its applications and handling methods.
2,6 - Diaminoanthraquinone has a wide range of uses in different industries. In the dye industry, it is an important intermediate for synthesizing high - performance dyes. Due to its unique molecular structure, dyes derived from 2,6 - Diaminoanthraquinone often exhibit excellent color fastness, including light fastness, wash fastness, and rubbing fastness. These dyes are widely used in the textile industry to color various natural and synthetic fibers, such as cotton, wool, polyester, and nylon, providing rich and long - lasting colors. In addition, it can also be used in the production of pigments for printing inks, paints, and coatings. The pigments made from it can give products bright colors and good weather resistance.
When using 2,6 - Diaminoanthraquinone, proper safety precautions should be taken. First, wear appropriate personal protective equipment, such as gloves, safety glasses, and a lab coat, to avoid direct contact with the skin, eyes, and respiratory tract. In the laboratory or industrial settings, accurately weigh the required amount of 2,6 - Diaminoanthraquinone according to the reaction formula or production process. If it needs to be dissolved, select the appropriate solvent, such as ethanol or DMF, and stir gently to ensure complete dissolution. When using it in dye synthesis, follow the established reaction conditions, including temperature, reaction time, and pH value, to ensure the quality and yield of the final product. After use, properly store the remaining product in a cool, dry place away from direct sunlight and incompatible substances.
Case 1: Textile Dyeing
A textile company planned to produce a batch of high - quality red - dyed cotton fabrics. They chose 2,6 - Diaminoanthraquinone as an intermediate to synthesize a red dye. First, they dissolved a certain amount of 2,6 - Diaminoanthraquinone in DMF at a temperature of 50°C with continuous stirring. Then, through a series of chemical reactions, they transformed it into a red dye. The cotton fabrics were then dyed using the prepared dye in a dyeing machine at a temperature of 80°C for 60 minutes. After dyeing, the fabrics were washed and dried. The resulting red color was bright and vivid, and the color fastness tests showed excellent results, meeting the high - end market requirements.
Case 2: Printing Ink Production
A printing ink manufacturer wanted to develop a new type of purple - red ink with good light resistance. They incorporated 2,6 - Diaminoanthraquinone during the pigment synthesis process. By carefully controlling the reaction conditions, they obtained a high - quality purple - red pigment. This pigment was then mixed with other ink components, such as resins, solvents, and additives, to produce the printing ink. The ink was used in offset printing, and the printed materials showed bright colors and maintained good color stability even after long - term exposure to sunlight.
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