Basic information Safety Supplier Related

4-[(5-carbamoyl-o-tolyl)azo]-3-hydroxynaphth-2-anilide

Basic information Safety Supplier Related

4-[(5-carbamoyl-o-tolyl)azo]-3-hydroxynaphth-2-anilide Basic information

Product Name:
4-[(5-carbamoyl-o-tolyl)azo]-3-hydroxynaphth-2-anilide
Synonyms:
  • 4-[(5-carbamoyl-o-tolyl)azo]-3-hydroxynaphth-2-anilide
  • pigment red 268
  • 2-Naphthalenecarboxamide, 4-5-(aminocarbonyl)-2-methylphenylazo-3-hydroxy-N-phenyl-
  • 2-naphthalenecarboxamide, 4-[[5-(aminocarbonyl)-2-methylphenyl]azo]-3-hydroxy-n
  • 4-[(5-carbamoyl-o-tolyl)azo]-3-hydroxy-2-Naphthanilide
  • 1-(2-Methyl-5-benzamide)azo-2-hydroxy-3-naphthanalide
  • 1-(2-Methyl-5-carbamylphenylazo)-2-hydroxy-3-phenylcarbamoylnaphthalene
  • 2-Naphthalenecarboxamide, 3-hydroxy-4-((2-methyl-5-aminocarbonylphenyl)azo)-N-phenyl-
CAS:
16403-84-2
MF:
C25H20N4O3
MW:
424.45
EINECS:
240-454-9
Mol File:
16403-84-2.mol
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4-[(5-carbamoyl-o-tolyl)azo]-3-hydroxynaphth-2-anilide 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℃
LogP
0.8 at 20℃
EPA Substance Registry System
2-Naphthalenecarboxamide, 4-[[5-(aminocarbonyl)-2-methylphenyl]azo]-3-hydroxy-N-phenyl- (16403-84-2)
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4-[(5-carbamoyl-o-tolyl)azo]-3-hydroxynaphth-2-anilide Usage And Synthesis

Flammability and Explosibility

Pyrophoric

Properties and Applications

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 %

4-[(5-carbamoyl-o-tolyl)azo]-3-hydroxynaphth-2-anilide Supplier

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