VAT BLUE 20

Additional Product Details

Product Name:Dark blue B0(Vat Blue 20)
C.I. No.: 59800
CAS No.: 116-71-2
Molecular Formula: C34H16O2
Molecular Weight: 456.49

Shade: Dark blue purple red to purplish blue

Relative name:Vat Navy Blue BO;Cibanon Blue BOA-Ol;

VAT BLUE 20 Physical Properties and light fastness.

Vat Blue 20
Dyeing depth g/L	30
Dyeing method	IN
Leuco color	Violet
Leveling property	▲
Dead cotton	▲
Light (Xenon test 1/12)	5
Light (Xenon test 1/1)	7-8
Light (Xenon test 2/1)	7-8

VAT BLUE 20 Properties:

Blue black powder. Etanol and insoluble in water, soluble in 1, 2, 3, 4 ?C Tetrahydronaphthalene and Xylene in red solution (with red fluorescence), slightly soluble in Acetone, Chloroform, 2 ?C Chlorophenol, Pyridine and Toluene. Alkaline reduction leuco for dark purple; Acid reduction leuco for wine. In concentrated sulfuric acid for purple black, dilution after purple black precipitation.

Applications:

Used for cotton fiber dyeing, poor levelness. Widely used in dark blue fabric and polyester/cotton khaki dyeing. The leuco used for hosiery dyeing, in yarn-dyed mainly applied to dyeing yarn. Used for cotton fabric direct printing. Can dye viscose, silk and d/cotton goods. Can also be processed into organic pigment.

Package

25KG/DRUM, CARTON BOX, BAG

Note: The data contained here are based on our current knowledge and experience. It is the responsibility of user to test our products before the final application.