Aluminum, 6-hydroxy-5-[(2-methoxy-5-methyl-4-sulfophenyl)azo]-2-naphthalenesulfonic acid complex 化学特性,用途語,生産方法
使用
Pigment Red 273 is used as a food dye.
製造方法
4-Amino-5-methoxy-2-methylbenzenesulfonic acid diazo, and 6-Hydroxynaphthalene-2-sulfonic acid coupling, and then into aluminum salt deposit color.
Properties and Applications
yellow light red. Orange red fine powder, odourless. Hardly soluble in water, oil and most solvent, but can be scattered, mixed with water, oil liquid and solid powder. Resistance to light sex, salt tolerance, sex, heat resistance is strong, have certain resistance of acid, alkali resistance. This product is suitable for oil products, powder of solid and colloid water-soluble colorants are difficult to use items shading, color is gorgeous. The product is made of a certain amount of strong HCL, added with a certain volume of two potassium hydrogen sulfate solution diluted, the maximum absorption wavelength for 499 + 2 nm.
Aluminum, 6-hydroxy-5-[(2-methoxy-5-methyl-4-sulfophenyl)azo]-2-naphthalenesulfonic acid complex 上流と下流の製品情報
原材料
準備製品