C. I. No                                                :            Pigment Red 53:1 

C. I. No                                               :             15585:1 

Specific Gravity(20’c)                         :            1.7 to 1.9 

_PH IN aqueous extract                       :            7 

Oil Absorption (ml/100gm)                 :            40 +/- 3 

Moisture Content                               :            1.00% max. 

Heat Fastness                                     :            200’c for 10 Min. 

Water Soluble (Max)                          :            4.00% Max. 

Sieve Residue ( 350 mesh)                 :            1.00% Max. 

Fastness Properties (1-5 scale; 1- Poor 5 – Excellent) : 

Water               :             5                      Xylene                          :            3

Ethanol            :             3                      Mineral Turentine Oil :            3

Butanol            :            3                      Methyl / Ethyl Ketone:            3 – 4.

Acetone          :            3                      Linseed oil                     :            4 – 5.

Butyl Acetate            :            3                      Soap                            :            1 – 2. 

Light Fastness (1- 8 scale; 1- Very Low 8 – Outstanding): 

25 % Shade:  3            10 % Shade:  3            5 % Shade:  2