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The Ultimate Chemistry of Color
 
  Solvent Dyes  
 
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SOLVENT YELLOW 72
 
NAME OF THE PRODUCT OIL YELLOW OAP
C.I.HUE NAME SOLVENT YELLOW 72
C.I.NUMBER ---
CHEMICAL CLASS AZO
HUE YELLOW POWDER
PHYSICAL APPEREANCE DULL YELLOW POWDER
PH  7 TO 8
STRENGTH 99.77 %
SOLUBILITY INSOLUBLE IN BENZENE, LESS THAN 2%
LOVIBOND TINTOMETER 
READING 0.002% 
COLOUR IN BENZENE IN 
1/4 INCH CELL
YELLOW 5.3 + 0.3 
LEAD CONTENTS  LESS THAN 20 PPM
ARSENIC CONTENTS LESS THAN 2 PPM
HEAVY METAL CONTENTS LESS THAN 100 PPM
FREE AMINE CONTENTS LESS THAN 200 PPM
LOSS ON DRYING  0.20 %
ASH CONTENT 0.32 %
FASTNESS  
LIGHT -
HEAT : MELTING POINT 
           : STABLE TO 
160oC +
-
WATER -
EFFECT OF 5% NA2CO3 UNAFFECTED
EFFECT OF 5% HCL UNAFFECTED
MATERIAL SUPPLIED AS HEAVY PAPER BAGS/ M.S. DRUMS/HDPE CARBOYS INSIDE DOUBLE POLYTHELENE BAGS
USES IN OIL, WAX, FATS, PVC FILMS AND HYDROCARBON SOLVENTS FOR COLOURING PETROLEUM PRODUCTS.
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