Pigment Red 185-Corimax Red HF4C

Technical parameters of Pigment Red 185

Color Index No.	Pigment Red 185
Product name	Corimax Red HF4C
Product category	Organic Pigment
CAS Number	51920-12-8
EU Number	257-515-0
Chemical Family	Benzimidazolone
Molecular Weight	560.63
Molecular Formula	C27H24N6O6S
P.H. Value	6.5
Density	1.5
Oil Absorption(ml/100g)%	50
Light Fastness(coating)	6
Heat Resistance(coating)	180
Light Fastness(plastic)	5-6
Heat Resistance(plastic)	240
Water Resistance	5
Oil Resistance	5
Acid Resistance	5
Alkali Resistance	5
Color
Hue distribution

Features:

Corimax Red HF4C is a yellow shade red pigment, with good Easily dispersed, high strength, excellent weather fastness.

Application：

Recommended for industrial paints, powder coatings, printing pastes, PVC, rubber, PS, PP, PE, PU, water based inks, solvent inks, UV inks.
Suggested for building automotive paint, building paint, coil steel coating, offset ink.

Related Information

Pigment Red 185 gives a blue-red color with a hue angle of 358.0 degrees (1 / 3SD, HDPE). It is almost completely insoluble in general organic solvents and resistant to sterilization. Heat resistance in printing ink is 220 ℃ / 10min, suitable for metal decoration and laminated plastic film printing ink, light fastness is 6-7 (1 / 1SD); used for plastic coloring, resistance to migration in soft PVC Good performance, light fastness grade 6-7 (1 / 3SD), also used for PE coloring, heat resistance <200 ℃, and polypropylene original pulp coloring.

Aliases:2-Naphthalenecarboxamide, N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxy-4-((2-methoxy-5-methyl-4-((methylamino)sulfonyl)phenyl)azo)-; 2-Naphthalenecarboxamide, N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxy-4-(2-(2-methoxy-5-methyl-4-((methylamino)sulfonyl)phenyl)diazenyl)-; N-(2,3-Dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxy-4-((2-methoxy-5-methyl-4-((methylamino)sulphonyl)phenyl)azo)naphthalene-2-carboxamide; 12516; Deep Scarlet; Permanent Carmine HF4C; Peony Red [HO]; ; (4Z)-4-{2-[2-methoxy-5-methyl-4-(methylsulfamoyl)phenyl]hydrazinylidene}-3-oxo-N-(2-oxo-2,3-dihydro-1H-benzimidazol-5-yl)-3,4-dihydronaphthalene-2-carboxamide

Molecular Structure:

InChI：InChI=1/C27H24N6O6S/c1-14-10-21(22(39-3)13-23(14)40(37,38)28-2)32-33-24-17-7-5-4-6-15(17)11-18(25(24)34)26(35)29-16-8-9-19-20(12-16)31-27(36)30-19/h4-13,28,32H,1-3H3,(H,29,35)(H2,30,31,36)/b33-24-

Physical and chemical properties:

Hue or light: brilliant blue light red
Relative density: 1.45
Bulk density / (lb / gal): 11.2-11.6
Average particle size / μm: 180
Particle shape: small flake
Specific surface area / (m2 / g): 45; 43-47
pH value / (10% slurry): 6.5
Oil absorption / (g / 100g): 97
Covering power: transparent type