Acid Red 3
Name:C.I.Acid Red 3,C.I.14910
Molecular Structure: Single azo class
Molecular Formula:C20H12N2Na2O7S2
Molecular Weight: 502.43
CAS Registry Number:5858-64-0
Manufacturing Methods : Naphthalen-1-amine diazo, coupled with 4-Hydroxynaphthalene-2,7-disulfonic acid.
Properties and Applications: blu-ray red. For product red is soluble in water, soluble in ethanol in red. The strong sulfuric acid for blue, purple for red after diluted. In aqueous solution to join strong hydrochloric acid wine red precipitate; Add sodium hydroxide into orange brown.
Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
Fading | Stain | Fading | Stain | Fading | Stain | |||
ISO | 3 | 2 | 3-4 | 3 | 1 | 2 | 2 | 1 |
List of Suppliers:
Acid Chrome Red S-80[(Fenchem Enterprises Ltd)
Palatine Red( Badische Anilin-und Soda Fabrik )