Name:C.I.Acid Red 14,C.I.14720
Molecular Structure: Single azo class
C.I.Acid Red 14,C.I.14720,CAS 3567-69-9,502.43,C20H12N2Na2O7S2,Acid Red 4B,Acid Red B,Acid rose red B, Acid Carmosine,PuriColor Red ARE14
Molecular Formula:C20H12N2Na2O7S2
Molecular Weight: 502.43
CAS Registry Number:3567-69-9
Manufacturing Methods : 4-Aminonaphthalene-1-sulfonic acid diazo, coupled with the 4-Hydroxynaphthalene-1-sulfonic acid.
Properties and Applications: blue-ray red. Dark red powder, soluble in water, but soluble in ethanol red solution, slightly soluble in acetone. In a purple color of sulfuric acid, and it will dilute to product red precipitate; Nitric acid in deep red, turn red after yellow. Its water solution and strong hydrochloric acid red; Add sodium hydroxide fluid shows red orange brown. Dyeing copper ions in slightly dark color. Good levelness. Mainly used in strong acid dye in bath dyeing wool, wool fabrics can be in silk fabric, polyamide fiber and printing. The Barium salt can be used as organic pigment use. Also can be used in the manufacture color amylum, ink and used for leather, paper, soap, wood, electrical-controlled silver, medicine, biology and cosmetics shading.
Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
Fading | Stain | Fading | Stain | Fading | Stain | |||
ISO | 3 | 2 | 5 | 3 | 1 | 4-5 | 2 | 1 |
AATCC | 3 | 3 | 3 | 2-3 | 1 | 1-2 | 3-4 | 3- |