Basic Flavine O

MW:337.84

Performance:green-yellow flashing crystal ingot or sand shape. It is red and purple when dissolve in cold water or hot water; extremely apt to dissolve in the ethanol; it is yellowish-brown to meet the concentrated sulphuric acid; the aqueous solution add the NaOH solution may precipitate.

Usage: used for Dyeing the hemp, silk, acrylic fibre fabric and leather goods; Can make various kinds of color lakes and painting the bamboo, wood,etc., good color fastness when Dye the acrylic fibre.

Packing :25kg woven bag inner lining plastic, or according to customer's enquiry.

Voluntary Standard:HG/T3393-1999

Index Name

Index Value

Appearance:

green-yellow flashing crystal ingot

Color Light,(compared with the standard)

similar

Intensity,(as standard )

100

Impurity Content that insoluble in water%≤

0.5

Moisture Content %≤

6.0