P.R.268

Name	4-[(5-carbamoyl-o-tolyl)azo]-3-hydroxynaphth-2-anilide
Synonyms	12316 P.R.268 pigment red 268 Pigment Red 268 C.I.Pigment Red 268 Permanent Scarlet OA Naphthol Red RA 1012 1-(2-Methyl-5-benzamide)azo-2-hydroxy-3-naphthanalide 4-[(5-carbamoyl-o-tolyl)azo]-3-hydroxynaphth-2-anilide 4-[(5-carbamoyl-o-tolyl)azo]-3-hydroxy-2-Naphthanilide 1-(2-Methyl-5-carbamylphenylazo)-2-hydroxy-3-phenylcarbamoylnaphthalene 2-naphthalenecarboxamide, 4-[[5-(aminocarbonyl)-2-methylphenyl]azo]-3-hydroxy-n 2-Naphthalenecarboxamide, 4-5-(aminocarbonyl)-2-methylphenylazo-3-hydroxy-N-phenyl- 4-[[5-(aminocarbonyl)-2-methylphenyl]azo]-3-hydroxy-N-phenyl-2-Naphthalenecarboxamide 2-Naphthalenecarboxamide, 3-hydroxy-4-((2-methyl-5-aminocarbonylphenyl)azo)-N-phenyl- (4Z)-4-[2-(5-carbamoyl-2-methylphenyl)hydrazinylidene]-3-oxo-N-phenyl-3,4-dihydronaphthalene-2-carboxamide
CAS	16403-84-2
EINECS	2404549
InChI	InChI=1/C25H20N4O3/c1-15-11-12-17(24(26)31)14-21(15)28-29-22-19-10-6-5-7-16(19)13-20(23(22)30)25(32)27-18-8-3-2-4-9-18/h2-14,28H,1H3,(H2,26,31)(H,27,32)/b29-22-

Molecular Formula	C25H20N4O3
Molar Mass	424.4513
Density	1.31±0.1 g/cm3(Predicted)
Boling Point	619.4±55.0 °C(Predicted)
Water Solubility	1μg/L at 20℃
Vapor Presure	1.13hPa at 20℃
pKa	10.65±0.50(Predicted)
Refractive Index	1.674
Physical and Chemical Properties	hue or shade: yellow light red
Use	The pigment is produced by the magruda (MCC) company in the United States and is marketed in a variety of different dosage forms, giving a yellow-red hue, including water-squeezed phase-inversion color paste, filter cake, powder dosage form and acrylic resin color tablet dosage form; Mainly used in coating, printing ink and fabric printing and dyeing.

LogP	0.8 at 20℃
EPA chemical substance information	information is provided by: ofmpeb.epa.gov (external link)

Last Update：2024-04-09 21:04:16