Name:C.I.Acid Blue 104,C.I.42735
Molecular Structure: triarylmethane class
Molecular Weight: 789.98
CAS Registry Number:6505-30-2
Manufacturing Methods : 4-(Diethylamino)benzaldehyde (1 Moore) and 3-((Ethyl(m-tolyl)amino)methyl)benzenesulfonic acid (2 Moore) condensation, garnish with heavy chromate salt-oxalic acid oxidation.
Properties and Applications: bright blue. Blue powder, soluble in water, but soluble in ethanol for pure blue. The strong sulfuric acid dyes for yellow until golden brown, to dilute lemon yellow. The water solution is violet blue, encounter after sodium hydroxide are still violet blue, precipitation. Levelness and discharge performance is good. Dyeing copper and iron ion in the dark colored. Used for wool, silk and their blended fabric dyeing and printing directly, also used in leather and wood color, sometimes also used for leather shoes oil up graces role.
|Standard||Light Fastness||Soaping||Persperation Fastness||Oxygen bleaching||Fastness to seawater|
List of Suppliers:
Sumitomo BriUiant Blue PI( Kaseihin Kogyo Kyokai )