Direct Red 45 - Names and Identifiers
Direct Red 45 - Physico-chemical Properties
Direct Red 45 - Introduction
Direct Red 45 is a synthetic organic dye with the chemical name C.I. 37100. The following is information about the nature, use, formulation and safety of Direct Red 45:
Nature:
- Direct Red 45 is a Red crystalline powder with a chemical formula of C32H22N6Na2O6S2.
-It has good solubility in water, but poor solubility in organic solvents.
- Direct Red 45 belongs to the Direct dye category and has a bright Red hue.
Use:
- Direct Red 45 is commonly used in fiber dyeing, such as cotton, hemp, silk, etc.
-It can also be used in industrial applications such as leather dyeing, paper dyeing and paint coloring.
Method:
- Direct Red 45 is generally prepared by the coupling reaction of aniline or benzidine with sodium nitrite under alkaline conditions.
-In the preparation process, the steps such as acid-base adjustment, temperature management and reaction time control are required.
Safety Information:
- Direct Red 45 is a chemical dye and care should be taken to avoid inhalation, chewing or swallowing.
-Wear appropriate protective equipment such as glasses, gloves and protective clothing during use or operation.
-If exposed or taken by accident, rinse immediately with plenty of water and seek medical attention.
Please note that the use of chemical substances should follow the relevant safety procedures, and carefully read the product instructions and safety data forms. For specific applications and operations, please consult a professional or relevant organization.
Last Update：2024-04-10 22:29:15