Vat Violet 16
Name:C.I.Vat Violet 16,C.I.65020
Molecular Structure: anthraquinones
Molecular Formula:C35H20N2O5
Molecular Weight: 548.54
CAS Registry Number:4003-36-5
Manufacturing Methods : N-(4-amino-9,10-dioxo-9,10-dihydroanthracen-1-yl)benzamide and 2-Chloroanthracene-9,10-dione in Naphthalene in copper powder and Sodium acetate trihydrate under the existence of condensation.
Properties and Applications: dark purple. Soluble in Pyridine , 1, 2, 3, 4 – Tetrahydronaphthalene and Xylene. In concentrated sulfuric acid to green light brown, after dilution red purple precipitation; In the basic insurance powder solution for claret; In the acidic insurance powder solution for green light brown.
Standard | Ironing Fastness | Chlorine bleach | Light Fastness | Mercerized | Oxygen bleach | Soaping | |
Fading | Stain | ||||||
ISO | 3-4 | 4-5 | 7-8 | 5 | 4 | 4-5 | 5 |
List of Suppliers:
Algol Corinth R( Bayer Group )
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