Name:C.I.Acid Red 183,C.I.18800
Molecular Structure: Single azo,Metal Complexes
C.I.Acid Red 183,C.I.18800,CAS 6408-31-7,532.48,C16H11ClN4Na2O8S2,Acid Red GRE,Acid Red 2GA,Acid Red GR
Molecular Formula:C16H11ClN4Na2O8S2
Molecular Weight: 532.48
CAS Registry Number:6408-31-7
Manufacturing Methods : 3-Amino-5-chloro-2-hydroxybenzenesulfonic acid diazo, and 1-(3-Sulfophenyl)-3-methyl-5-pyrazolone coupling, and then in water solution and formic acid chromium heating, in 125 ° C keep 3 hours, make the generation of the chrome complex.
Properties and Applications: red yellow light. Soluble in water is red. The strong sulfuric acid to red light yellow; Diluted into orange. In water solution to join 10% of sulfuric acid slightly change to blue; Add 10% sodium hydroxide solution into orange. Apply to wool dyeing and leather color.
Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
Fading | Stain | Fading | Stain | Fading | Stain | |||
ISO | 7 | 3-4 | 4 | 4 | 2 | 3 | ||
AATCC | 6-7 | 2 | 2 | 5 | 5 |