ACID VIOLET 90
C.I.Acid Violet 90,C.I.18762,CAS 6408-29-3,446.41,C20H15C1N4NaO5S,Acid Bordeaux B,Bordeaux MB,Acid Rubine M-B
Molecular Formula:C20H15C1N4NaO5S
Molecular Weight: 446.41
CAS Registry Number:6408-29-3
Manufacturing Methods : 4-Amino-3-hydroxynaphthalene-1-sulfonic acid diazo, and 3-Methyl-1-phenyl-1H-pyrazol-5(4H)-one coupling, and then translate into 1:2 chromium complex.
Properties and Applications: red light purple. Soluble in water for blue-ray red, soluble in ethanol for yellow light purple. The strong sulfuric acid blue light red, diluted in red. In water solution to join hydrochloric acid for orange, and a red precipitate; Add sodium hydroxide to red, red precipitate. Used for wool, polyamide fiber, silk dyeing, can be in wool, silk or viscose weaving direct printing, also used in leather dyeing.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 6 | 2-3 | 4-5 | 4-5 | ||||
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