Product Name:  Pigment Red 57:1
Trade Name: Rubine 4B/Lithol Rubine BK
C.I. Number: Pigment Red 57:1                
CAS Number: 5281-04-9
EU Number: 226-109-5
Molecular Formula:  C18H12N2O6SCa
Molecular Weight:  424.46
Shade: Yellowish Red
Physical, Chemical and Fastness Properties.

 Pigment Red 571 application: mainly used in Offset Ink,Paint and can used in Plastic
Pigment Red 57: 1 is suitable for all kinds of printing inks, the color light is in accordance with the magenta color of the four-color version, has high tinting strength, good light fastness grade 4-5 (1 / 1SD); adding tonic acid during synthesis can change the grain Diameter and color light; due to the dissociation of metal in the aqueous alcohol medium, the displacement of the metal ion occurs in the aqueous lake, which causes the alkaline ink to thicken during storage. To prevent the ink from thickening, CI Pigment Red 184 (mixed coupling) can be used. Product) Replacement; used in latex paints and plastics (soft PVC, LDPE), used as Food Red No.7. Nearly 50 companies have launched about 265 brands. It is mainly used for coloring of paints, inks, oil paints and watercolor pigments, and can also be used for the coloring of rubber, plastic wires, electronic sprays and household chemicals.

Other pigments photo