Logo
The Ultimate Chemistry of Color
 
  Solvent Dyes  
 
BACK TO SOLVENT DYES HOME PAGE
SOLVENT BLACK 7
 
NAME OF THE PRODUCT NIGROSINE FAT SOLUBLE (INDULINE BASE)
C.I.HUE NAME SOLVENT BLACK 7
C.I.NUMBER 50415 B
CHEMICAL CLASS AZINE
HUE BLUISH BLACK
PHYSICAL APPEREANCE FINE BLACK
PH 8.5
SOLUBILITY VERY SLIGHTLY SOLUBLE IN ETHYL ACETATE & BUTYL ACETATE, SLIGHTLY SOLUBLE IN CELLOSOLVE, BENZENE, TOLUENE, XYLENE, MINERAL OIL, TURPENTINE, LINSEED OIL. 
SOLUBLE IN PARAFIN WAX. IN SOLUBLE IN WHITE SPIRIT, WATER.
GRANUALITY 250 MESH
FREE ANILINE OIL 0.9 %
FREE CHLORINE 0.45%
VOLATILE MATTER 2.86 %
ASH CONTENTS 2.5 %
FASTNESS  
LIGHT FAIR-GOOD
HEAT : MELTING POINT 
           : STABLE TO 
180oC
180o
WATER INSOLUBLE
EFFECT OF 5% NA2CO3 VERY GOOD
EFFECT OF 5% HCL VERY GOOD
MATERIAL SUPPLIED AS HEAVY PAPER BAGS/ M.S. DRUMS / HDPE CARBOYS INSIDE DOUBLE POLYTHELENE BAGS
USES DISSOLVED IN A FATTY ACID, ESPECIALLY OLEIC OR STEARIC ACID TO FORM THE OLEATE OR STEARATE. USED EXTENSIVELY FOR SHOES POLISHES, IN OIL FATS AND WAXES, FOR TYPEWRITTER RIBBONS, CARBON COPYING PAPERS, FOR STAMPING INK. AND TO SOME SMALL EXTEND IN PRINTING INK, IN P/F MOULDING POWDERS AND PRE-DISSO LVED IN ROSIN FOR NC LACQUERS, THE STEARATE AND OLEATE ARE USED FOR ROT OGRAVURE INKS. IT IS ALSO USED IN LEATHER DYEING AND LEATHER DYING AND LEATHERFINISHES.
BACK TO SOLVENT DYES HOME PAGE