|
Vat Violet RR
Col Index No.:
C. I. Vat Violet 1
English Name: Vat
Brilliant Violet RR; Cibanone Violet 2R(CGY); Indanthren Brilliant
Violet RR(BASF); Mikethrene Brilliant Violet RR(MDW); Nihonthrene
Brilliant Violet 4R(NSK); Youhaothrene Brilliant Violet 2R(CNC)
Structure:
Properties: Brown-Violet
even Powder. Benzene soluble; slightly soluble in Chloroform,
O-Chlorophenol, Nitrobenzene, Pyridine, Tetralin, Toluene,
Xylene; indissoluble in Acetone and Ethanol. Be greenish in
concentrated sulfuric acid, be violet deposit after dilution.
Be bluish in Carbonizing flame of alkalescent rongalite, be
violet with reddish light in acidic solution.
Quality specification:
 Appearance:
Brown-violet even powder;
Color
shade: no difference as standard
Strength:
100  3 percent
as standard
Color
fastness on cotton fabrics, grade: up to standard
Use:
mainly used for dyeing and printing on cotton, fiber
flax, man-made fibres and silks, also can be used for dyeing
on adhered cotton, synthetic fabric of fibre/cotton and over
dyeing on synthetic fabric of dacron/cotton. Be adequate for
direct printing on fabrics and redyeing as dark blue or dark
grey with vat blue, vat grey, also the manufacturing of vat
dark blue, organic pigment, colorant on plastics as well.
|
