Specifications Product name:copper phthalocyanine beta blue (nulon blue-beta) 01) chemical class : cu-phthalocyanine blue beta modification 02) color index name : pigment blue 15:3 03) color index number : 74160 04) cas no. : 147-14-8 05) molecular wt. : 575.5 06) chemical formula : c32h16cun8 Physical properties: 01) specific gravity (20oc): 1.51-1.56 02) bulk density gm/cc: 0.3-0.35 02) oil absorption(cc/100gms): 40-45 03) sieve residue, 240mesh, (63 8): 0.5 % max. 04) heat stability (oc/10min) : 200 05) moisture content (%w/w : 0.5%max. 06) water soluble (%w/w) : 0.5%max. 07) ph of 10%aq. Slurry (extract): 6.5-7.5 Fastness properties :(1-5 scale : 1= poor, 5=excellent) 01.Water 5 02.Xylene 4-5 03.Butyl acetate 4-5 04.Ethanol 5 05.Toluene 4-5 06.Mineral turpentine 5 07.Butanol 5 08.Soap 5 09.Sterilization 5 10.Acetone 4-5 11.Acid 5 12. Methyl ethyl ketone 4-5 13. Linseed oil 5 14.Alkali 5 Light fastness : (1-8 scale : 1= poor, 8=excellent) 1/1 shade depth 8 1/3 shade depth 8 1/25 shade depth 8 Heavy metal Cadmium