Name:C.I.Acid Violet 17,C.I.42640
Molecular Structure: triarylmethane class
C.I.Acid Violet 17,C.I.42640,CAS 4129-84-4,761.93,C41H44N3NaO6S2,Acid Violet 4BNS,Acid Violet S4B-F
Molecular Formula:C41H44N3NaO6S2
Molecular Weight: 761.93
CAS Registry Number:4129-84-4
Manufacturing Methods : 3-(Ethyl(phenyl)amino)methyl)benzenesulfonic acid condensation, and then (a) oxidation as dimer water molecules (hydrol), again with N,N-diethylbenzenamine condensation, oxidation, and translated into sodium salt; Or (b) in N,N-diethylbenzenamine presence, with heavy chromate acid direct oxidation.
Properties and Applications: bright blue purple. Deep navy powder, easily soluble in water is purple, easily soluble in ethanol is violet blue, the strong sulfuric acid dyes is red light yellow, diluted for green light; In nitric acid are blue-ray fruit green; Its water solution and sodium hydroxide is shallow dark purple. This product is only used for the wool of spell dye, can be used for leather shading.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 1 | 3-4 | 2 | 4-5 | 1 | 5 | 3-4 | 2 |
| AATCC | 1 | 3 | 3 | 4 | 2-3 | 1 | 3-4 | 3-4 |
WHY CHOOSE US
Q: Are you a factory or a trader?
A: We have been trading with those dyestuff for many years.
Q: Can you provide samples for free?
A: Sure, we can provide you with small free samples.
Q: What is the leading time when placed an order
A: Usually the goods we sell is in stock, we can delivery it within 3 days
Q: Have you ever exported to America
A: Yes, we have many customers in America
Q: Can you do Micro fine powder?
A: Yes
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