PIGMENT RED 3 RN

1)  COLOR INDEX NO.          : 12120

2)  CAS NO.                    :2425-85-6

3)  FORMULAR                : C₁₇H₁₃N₃O₃

4)  SYNONYMS                : C.I. Pigment Red 3; C.I. 12120; 1-[(4-methyl-2-nitrophenyl)azo]-2-Naphthalenol; 1-(4-Methyl-2-nitrophenylazo)- 2-naphthol; D&C Red No. 35;

5)  PHYSICAL PROPERTIES

     PH OF AQUOUS EXTRACT  : 7-8

     MOISTURE CONTENT      : 2.0%MAX

     WATER SOLUBLE          : 1.0%MAX

     SPECIFIC GRAVITY (20 D.C.) : 1.4

6)  oil absorption           :35-45(g/100g)

7)  heat stability            :120℃

8)  fastness properties    

     water                   :5

     ethanol                :4

     butenol                :5

     butyl acetate          :4

     acetate                 :

     toluene                 :

     mineral turpentine    :

     methyl ethyl ketone  :4

     linseed oil              :4

     soap                     :

     5% caustic soda         :

     5% hydrochloric acid  :

     xylene                   :

9)  resistance to acid        :5

                alKaLI         :5

10)  light fastness full tone :6-7

                    tint tone  :3-4

11)  △E                        :< 1