Name | Pigment Permanent Red F4R |
Synonyms | P.R.8 12335 C.I. 12335 Fast Red F4R PIGMENT RED 8 Pigment Red 8 Naphthol Red F4R Pigment Red F 4 R Permanent Red F4R C.I.Pigment Red 8 Pigment Permanent Red F4R N-(4-chlorophenyl)-3-hydroxy-4-[(2-methyl-5-nitrophenyl)azo]naphthalene-2-carboxamide n-(4-chlorophenyl)-3-hydroxy-4-[(2-methyl-5-nitrophenyl)azo]-2-naphthalenecarboxamide N-(4-chlorophenyl)-3-hydroxy-4-[(2-methyl-5-nitrophenyl)azo]-2-Naphthalenecarboxamide 2-Naphthalenecarboxamide, N-(4-chlorophenyl)-3-hydroxy-4-(2-methyl-5-nitrophenyl)azo- (4E)-N-(4-chlorophenyl)-4-[(2-methyl-5-nitrophenyl)hydrazono]-3-oxo-3,4-dihydronaphthalene-2-carboxamide |
CAS | 6410-30-6 |
EINECS | 229-100-4 |
InChI | InChI=1/C24H17ClN4O4/c1-14-6-11-18(29(32)33)13-21(14)27-28-22-19-5-3-2-4-15(19)12-20(23(22)30)24(31)26-17-9-7-16(25)8-10-17/h2-13,27H,1H3,(H,26,31)/b28-22+ |
Molecular Formula | C24H17ClN4O4 |
Molar Mass | 460.87 |
Density | 1.40±0.1 g/cm3(Predicted) |
Boling Point | 641.3±55.0 °C(Predicted) |
Water Solubility | 40ng/L at 25℃ |
Vapor Presure | 0Pa at 25℃ |
pKa | 11.15±0.70(Predicted) |
Storage Condition | Room Temprature |
Refractive Index | 1.682 |
Physical and Chemical Properties | solubility: yellow and red in concentrated sulfuric acid, red after dilution; Blue red in case of concentrated nitric acid; No change in sodium hydroxide aqueous solution. hue or color: blue Red specific surface area/(m2/g):50-60 hiding power: transparent diffraction curve: ![]() |
Use | Mainly used for printing ink, paint, cultural supplies and cosmetics coloring The pigment product type brand has 20 kinds, gives the pure blue red, with high coloring intensity, bright color light. Mainly used in printing ink coloring, transparent dosage forms in the packaging ink recrystallization, affect color and transparency, but the varnish, sterilization sensitive, heat-resistant 140 ℃/30min; it can also be used for fabric printing with low light fastness requirements. |
LogP | 8.88 at 25℃ |
EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
purpose | mainly used for coloring of ink, paper, lacquer cloth, cosmetics, oil color, etc, coloring of plastics and artificial leather products. It is mainly used for the coloring of ink, paint, cultural materials and cosmetics |