information on ingredients :

dyestuff class : thiazine dyestuff
c.i. name : c.i. basic blue 9
physical form . powder
colour : reddish brown
solubility in water : 20 g/l at 90° C

testing method :

01 a

spectrophotometry, aquenos solution
absorbance 100 +/- 3% against manufactures standart

02 b

visual - dyeings against manufacurer standart
measured on i.c.s - spectr flash - 500

applicable : A