Name:C.I.Acid Red 97,C.I.22890
Molecular Structure: Double azo class
C.I.Acid Red 97,C.I.22890,CAS 10169-02-5,698.63,C32H20N4Na2O8S2,Weak Acid Scarlet R,Acid Red 3GAcid Red G,Acid Red GG,Acid Red N-2G,Acid Red R
Molecular Formula:C32H20N4Na2O8S2
Molecular Weight: 698.63
CAS Registry Number:10169-02-5
Manufacturing Methods : 2,2′-Disulfo-4,4,diaminobibenzene double nitriding, and Naphthalen-2-ol (2 Moore) coupled.
Properties and Applications: colourful red yellow light. Soluble in water for orange red, soluble in ethanol for orange, soluble in acetone and soluble fiber element. The strong sulfuric acid for red purple, diluted for deep pink; In the dark of nitric acid blue light red, and then into the orange. In water solution to join strong hydrochloric acid have red brown precipitation; Add thick sodium hydroxide solution for red orange brown. Suitable for wool, polyamide fiber dyeing and printing, also can be used for leather color.
Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
Fading | Stain | Fading | Stain | Fading | Stain | |||
ISO | 4 | 3 | 4 | 4-5 | 3 | 5 | 4 | 3 |
AATCC | 3 | 4 | 4 | 3-4 | 2-3 | 4 | 4 | |
