Acid Red 16
Name:C.I.Acid Red 16,C.I.14920
Molecular Structure: Single azo class
Molecular Formula:C20H12N2Na2O7S2
Molecular Weight: 502.43
CAS Registry Number:5858-66-2
Manufacturing Methods : Naphthalen-2-amine diazo, coupled with 4-Hydroxynaphthalene-2,7-disulfonic acid.
Properties and Applications: red. Soluble in water for red, orange for adequate soluble in alcohol. The strong sulfuric acid for dark purple, diluted in red. In aqueous solution to join strong hydrochloric acid for red; Add thick sodium hydroxide solution for orange brown.
Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
Fading | Stain | Fading | Stain | Fading | Stain | |||
ISO | 4 | 2-3 | 3 | 2 | 1-2 | 2 |
List of Suppliers:
Acid Scarlet PA( Fabricacion Nacional de Coloranted SA )
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