C.I. Direct Yellow 132 - Names and Identifiers
C.I. Direct Yellow 132 - Introduction
Direct Yellow 132 is an organic synthetic dye with the chemical name C. I. Direct Yellow 132. It is a yellow crystalline powder with good solubility and is soluble in water and organic solvents.
Direct Yellow 132 is mainly used as a dye in the textile industry, and can be used for dyeing yarn, cotton, wool and other fabrics. It can chemically react with the fiber of the fabric, so that the dye is firmly bonded to the fiber, and has good light resistance and washing resistance.
One method for preparing Direct Yellow 132 is to condense para-dinitrotoluene and naphthylamine under alkaline conditions. During the reaction, a certain degree of temperature and the presence of a catalyst are required to promote the reaction.
For safety information, Direct Yellow 132 are generally relatively safe under normal use. However, as a dye, it can be irritating to the skin and eyes. Therefore, during the operation, it is necessary to wear protective gloves and glasses to avoid direct contact. In addition, care should be taken to avoid inhalation of its dust or solution, so as not to cause respiratory irritation. If accidentally touched or inhaled, should immediately wash with water, and seek medical help.
Last Update：2024-04-09 20:52:54