Direct Orange 18 - Names and Identifiers
Direct Orange 18 - Introduction
Direct Orange 18 (Direct Orange 18) is an organic dye whose chemical name is N,N'-isonitrilo-1, 4-phenylenediamine p-azo Red 3G. The following is an introduction to the nature, use, formulation and safety information of Direct Orange 18:
Nature:
Direct Orange 18 is an Orange-red crystalline powder, soluble in water and ethanol. Its solution has a bright orange color, with good hydrophilicity.
Use:
Direct Orange 18 is mainly used in the field of textile industry dyes and printing and dyeing. It can be used for dyeing fibers such as cotton, hemp, silk and Vinylon fibers. In addition, it can also be used for dyes and pigments for paper, leather and plastics.
Method:
Direct Orange 18 is usually prepared by phenylenediamine and HCl to form phenylenediamine hydrochloride, then coupled with phenolphthalein to form phenylenediamine azo salt, and then dehydrated and reduced.
Safety Information:
Direct Orange 18 has limited impact on the human body and the environment. However, as a dye, care should be taken to avoid inhaling its dust or solution. When using, take necessary safety measures, such as wearing protective gloves and glasses, and ensure a well-ventilated workplace. Avoid contact with combustibles. In case of skin contact or inhalation, rinse immediately with water and seek medical help. During storage, it should be sealed and kept in a cool, dry place, away from fire and oxidizing agents.
Last Update：2024-04-09 20:52:54