Specification of pigment phthalocyanine green-7
Comparative properties and uses

Chemical class : copper chlorinated phthalocyanine
Colour index name : Pigment green-7
Colour index no. :74260
Molecular weight :1058
Hue : Bus green
Cas no. :1328-83-6
Molecular formula : c32h2cl14n8-16cu

Physical properties

Oil absorption(ml/100gms) : 30-36gms. Oil/100gms pigment
Bulk density : 0.32+0.02gms/cc
Specific gravity(20 c) : 1.94-2.05 at 200 c
Solubility in water : maximum 1%
Residue on 300 mesh-sieve : nil
Moisture content : maximum 1%
Ph of water extract : 6.0 to 8.0
Ph of 10%aq. Slurry :7.0 to 8.0
Heat stability: stable up to 250oc(as per application)
Dispersibility : excellent
Partical size : 0.015 x 0.015 u to 0.005 x 0.10 u

Fastness properties(1-5 scale:1 = poor,5 = excellent)

Water : 5 toluene : 5
Ethanol : 5 mek : 5
Butanol : 5 mineral turpentine : 5
Acetone : 5 soap : 5
Butyl acetate : 4 wax : 5
Ortho-xylene : 4-5 alkalies naoh : 5
Methanol : 5 acids(hcl) 5% : 5

Oil/plasticizer (1-8 scale:1 = poor,8 = excellent)

Linseed oil : 8 dop : 8
Caster oil :8 dbp :8
Dco :8 light fastness :8

Applications

Printing emulsion&inks, air drying paint& decorative paints, industrial& auto motive paints, plastics, rubber products, textile emulsion, paint emulsion, detergents, and colorants.
The above specification is representing general idea of the report however same is subject to variation up to certain extent, since this is been pigment, automatic action& reaction is very natural even test pack of the materials and same is depending on natural weather too.