C.I. Solvent Yellow 79 - Names and Identifiers
C.I. Solvent Yellow 79 - Introduction
Solvent Yellow 79, also known as Solvent Yellow G or Straight Yellow 7, is an organic compound solvent with the chemical name 1-(2-propyloxy) ethyl-4-[(4-methyl-2-nitrophenyl) azo] anthracen-2-ol. The following is a description of its nature, use, preparation and safety information:
Nature:
-Appearance: Solvent Yellow 79 is a yellow crystalline or powdered compound.
-Solubility: Soluble in organic solvents such as alcohols and ethers, insoluble in water.
-Stability: relatively stable to light and heat, easy to decompose under acidic conditions.
Use:
Solvent Yellow 79 is mainly used as a pigment for organic solvents and paints. It is commonly used in plastic coloring, textile dyes, tape, inks and resins. Due to its stability, it can provide good light resistance and durability.
Preparation Method:
The synthesis method of solvent yellow 79 includes reacting 2-aminoethanol and 4-methyl -2-nitroaniline under appropriate conditions to obtain 2-vinyloxy -4-methyl -2-nitroaniline, and then reacting with o-phenanthrene ether diphenol in an acidic environment to obtain solvent yellow 79. The specific preparation method needs to be carried out in the chemical laboratory.
Safety Information:
-Solvent Yellow 79 is an organic compound with certain toxicity. It is recommended to wear appropriate protective equipment when using it to avoid contact with skin and eyes.
-Avoid inhaling its powder or the gas generated, and ensure that it is operated in a well-ventilated area.
-In case of skin contact or inhalation, rinse immediately with water and seek medical advice.
-The storage of Solvent Yellow 79 should avoid contact with strong oxidants and strong acids, away from open flames and high temperatures.
Last Update：2024-04-09 21:04:16