Name:C.I.Acid Red 357
Molecular Structure: Single azo,1:2 Metal Complexes
C.I.Acid Red 357,CAS 61951-36-8,441.35,C16H12N5NaO7S,Scarlet M-L,Fast Red,Red 3G
Molecular Formula:C16H12N5NaO7S
Molecular Weight: 441.35
CAS Registry Number:61951-36-8
Manufacturing Methods : 3-Amino-2-hydroxy-5-nitrobenzenesulfonic acid diazo, and 3-Methyl-1-phenyl-1H-pyrazol-5(4H)-one coupling, and then turn it into 1:2 chromium complex.
Properties and Applications: yellow light red.
Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
Fading | Stain | Fading | Stain | Fading | Stain | |||
ISO | 6-7 | 5 | 5 | 4-5 | 4-5 | 4-5 | ||
