Acid Red 18

Product Name:Acid Red 18 200%
Molecular Structure: Single azo class

Molecular Formula:C₂₀H₁₁N₂Na₃O₁₀S₃
Molecular Weight: 604.48
CAS Registry Number:2611-82-7
Manufacturing Methods : 4-Aminonaphthalene-1-sulfonic acid diazo, and 7-Hydroxynaphthalene-1,3-disulfonic acid coupling.
Properties and Applications: red. Red powder. Soluble in water red, slightly soluble in ethanol and soluble fiber element, insoluble in other organic solvents. Strong sulfuric acid in purple, will the red orange is diluted; Nitric acid solution in yellow. Its water solution and strong hydrochloric acid red, add sodium hydroxide is brown. Mainly used for wool, silk, polyamide fiber and its blended fabric dyeing, also can be used for leather, paper, plastic, wood, medicine and cosmetics of dyeing, still can make the ink.
Counter Product:Basovit Red 400 E,Caracid Scarlet 4R Conc,Duasyn Acid Ponceau 4RC,PuriColorRed ARE 18