VAT BLUE 5

Additional Product Details

Product Name:Vat Blue 5
C.I. No.: 73065
CAS No.: 2475-31-2
Molecular Formula: C16H6Br4N2O2
Molecular Weight: 577.85

Shade: Dark blue powder

Relative name:Bromo Indigo;Indigo Blue 4B;Bromo Indigo 2B

VAT BLUE 5 Physical Properties and light fastness.

Vat Blue 5
Dyeing depth g/L	30
Dyeing method	IN
Leuco color	Blue
Leveling property	▲▲
Dead cotton	▲
Light (Xenon test 1/12)	6-7
Light (Xenon test 1/1)	7-8
Light (Xenon test 2/1)	7-8

VAT BLUE 5 Properties:

Etanol and insoluble in water, soluble in Xylene, Nitrobenzene and 1, 2, 3, 4 ?C Tetrahydronaphthalene. Alkaline reduction leuco for yellow; Acid reduction leuco for pale yellow. In concentrated sulfuric acid to blue light green, diluted into blue, and the emergence of precipitation.

Applications:

Mainly used for cotton of jig dyeing and yarn dyeing, dyeing hair blue cloth color turquoise blue. Is the important dye printing, can direct printing, also can discharge printing and resist printing. Can also be used for viscose, silk and wool dyeing, levelness and affinity are good. Can 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.