ChemicalBook CAS DataBase List 16403-84-2

16403-84-2

Name	4-[(5-carbamoyl-o-tolyl)azo]-3-hydroxynaphth-2-anilide
CAS	16403-84-2
EINECS(EC#)	240-454-9
Molecular Formula	C25H20N4O3
Molecular Weight	424.451
MOL File	16403-84-2.mol

Synonyms

pigment red 268 C.I.Pigment Red 268 Red Warm Light Shade Pigment red 268 (C.I. 12316) ci pigment red 268(naphthol red,warm light shade) 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 4-[(5-Carbamoyl-2-methylphenyl)azo]-3-hydroxy-N-phenyl-2-naphthalenecarboxamide 4-((2-Methyl-5-carboxamidophenyl)azo)-3-hydroxy-N-phenyl-2-naphthalenecarboxamide 2-Naphthalenecarboxamide, 4-5-(aminocarbonyl)-2-methylphenylazo-3-hydroxy-N-phenyl- 2-Naphthalenecarboxamide, 3-hydroxy-4-((2-methyl-5-phenylcarboxyamide)azo)-N-phenyl- 2-Naphthalenecarboxamide, 3-hydroxy-4-((2-methyl-5-aminocarbonylphenyl)azo)-N-phenyl- 4-((5-(Aminocarbonyl)-2-methylphenyl)azo)-3-hydroxy-N-phenyl-2-naphthalenecarboxamide 2-Naphthalenecarboxamide, 4-(2-(5-(aminocarbonyl)-2-methylphenyl)diazenyl)-3-hydroxy-N-phenyl-

Chemical Properties

Boiling point	619.4±55.0 °C(Predicted)
density	1.31±0.1 g/cm3(Predicted)
vapor pressure	1.13hPa at 20℃
pka	10.65±0.50(Predicted)
Water Solubility	1μg/L at 20℃
EPA Substance Registry System	2-Naphthalenecarboxamide, 4-[[5-(aminocarbonyl)-2-methylphenyl]azo]-3-hydroxy-N-phenyl- (16403-84-2)

Safety Data

Symbol(GHS)	GHS08
Signal word	Warning
Hazard statements	H312-H341
Precautionary statements	P280-P302+P352-P312-P322-P363-P501-P201-P202-P281-P308+P313-P405-P501

Hazard Information

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TEST ITEMS	SPECIFICATION
APPEARANCE	RED POWDER
SHADE	CLOSE TO FLINT STANDARD
HEAT RESISTANCE	200 °C min
LIGHT FASTNESS	6-7
ACID RESISTANCE	5
ALKALI RESISTANCE	5
FASTNESS TO BLEEDING	5
OIL ABSORPTION	40-50%
SPECIFIC SURFACE	26m ² /g
DENSITY	1.60 g/cm ³
RESIDUE ON 80 MESH	5.0% max
WATER SOLUBLE	1.0% max
VOLATITE 105 °C	1.0% max
TINTING STRENGTH	100-105 %