Disperse Yellow 79 is a yellow organic pigment with good dispersibility and stability.
Nature:
1. Chemical formula: C16H10N2O2S
2. molecular weight: 306.33g/mol
3. Appearance: yellow powder
4. melting point: 317-318 ℃
5. insoluble in water, soluble in organic solvents such as alcohols, ketones and esters.
Use:
1. Disperse Yellow 79 is widely used in plastics, coatings, inks, textiles, rubber and plastic products and other fields.
2. It can be used for the preparation of dye pigments, ink pigments and plastic pigments to provide yellow color for products.
3. in textile printing and dyeing, disperse yellow 79 can be used for dyeing alkaline fibers and synthetic fibers.
Preparation Method:
The synthesis method of Disperse Yellow 79 is complex and is carried out in the laboratory. One of the more common preparation methods is the reaction of 1-aminonaphthalene-3-sulfonic acid with 2-pyridinecarboxaldehyde under alkaline conditions to produce the target product.
Safety Information:
1. Disperse Yellow 79 is a stable compound with low toxicity. However, routine laboratory safety procedures should be followed during use.
2. avoid contact with skin and eyes, and maintain a good ventilation environment.
3. If inhaled or ingested by mistake, seek medical attention immediately.