Acid Violet 72
Name:C.I.Acid Violet 72,C.I.42665
Molecular Structure: triarylmethane class
C.I.Acid Violet 72,C.I.42665,CAS 6104-60-5,747.90,C40H42N3NaO6S2,Acid Violet CBB
Molecular Formula:C40H42N3NaO6S2
Molecular Weight: 747.90
CAS Registry Number:6104-60-5
Manufacturing Methods : 3-(Ethyl(phenyl)amino)methyl)benzenesulfonic acid (2 Moore) and Formaldehyde condensation,Then in the N-ethyl-2-methylbenzenamine in the presence of a dichromate – sulfuric acid oxidation and its product.
Properties and Applications: bright blue purple. Soluble in water and ethanol is purple. The strong sulfuric acid for golden brown, diluted becomes shallow gray. The dye solution to join sodium hydroxide produced a purple precipitation.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 1 | 3 | 3 | 3 | 1 | 3-4 | ||
List of Suppliers:
Acid Violet CBB( Bayer Group )