Acid Violet 62
Name:C.I.Acid Violet 62,C.I.14646
Molecular Structure: Single azo,Metal Complexes
C.I.Acid Violet 62,C.I.14646,CAS 6459-63-8,461.38,C20H12N3NaO7S,Fast Purple A
Molecular Formula:C20H12N3NaO7S
Molecular Weight: 461.38
CAS Registry Number:6459-63-8
Manufacturing Methods : 4-Amino-3-hydroxy-7-nitronaphthalene-1-sulfonic acid diazo, and Naphthalen-1-ol coupling, its product (C.I.Mordant Black 11, C.I. 14645) and copper sulfate ground together.
Properties and Applications: dark red light purple. Soluble in water for dark purple, soluble in alcohol. The strong sulfuric acid is a deep red in blue, diluted hairy precipitation appear brown; In the nitric acid for brown, and quickly into dark yellow; In strong hydrochloric acid for olive green, diluted into black precipitation.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 5-6 | 5 | 5 | 4 | 3 | 3 | 3-4 | 5 |
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Fast Purple A( Yorkshire Group pic )