Acid Violet 25
Name:C.I.Acid Violet 25,C.I.42745
Molecular Structure: triarylmethane class
Molecular Formula:C37H36N3NaO6S2
Molecular Weight: 705.82
CAS Registry Number:5905-34-0
Manufacturing Methods : 4-(Dimethylamino)benzoyl chloride and N-ethyl-N-phenylbenzenamine condensation, And product disulfonated.
Properties and Applications: blue purple. Soluble in water and ethanol for blue purple. The strong sulfuric acid for orange brown, diluted into olive green to blue light green. In adding sodium hydroxide solution blue-purple precipitation.
Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
Fading | Stain | Fading | Stain | Fading | Stain | |||
ISO | 3 | 2 | 3 | 3 | 1 | 3-4 |
List of Suppliers:
Acid Violet 7B( Badische Anilin-und Soda Fabrik )