Vat blue 4#(Vat blue RSN

Structural formula:

CAS#:81-77-6

Specification	Stock dye(press cake)	Article dyestuff (micropowder )
Appearance	Blue paste or dry powder	Blue-black tiny particles
Shade	Similar to standard sample	Similar to standard sample
Strength	260%	100%
Dispersion	/	4-5 grade
Moisture	30-50% or1%	4%1%