4-[(5-carbamoyl-o-tolyl)azo]-3-hydroxynaphth-2-anilide CAS# 16403-84-2

4-[(5-carbamoyl-o-tolyl)azo]-3-hydroxynaphth-2-anilide CAS# 16403-84-2 - 图片 2

4-[(5-carbamoyl-o-tolyl)azo]-3-hydroxynaphth-2-anilide CAS# 16403-84-2 - 图片 3

4-[(5-carbamoyl-o-tolyl)azo]-3-hydroxynaphth-2-anilide CAS# 16403-84-2 - 图片 4

4-[(5-carbamoyl-o-tolyl)azo]-3-hydroxynaphth-2-anilide CAS# 16403-84-2

4-[(5-Carbamoyl-o-tolyl)azo]-3-hydroxynaphthalene-2-aniline (CAS: 16403-84-2) is a dye.

It is an organic pigment, also known as Pigment Red 268 or Aminonaphthalene Red, which has low solubility in water but good solubility in organic solvents and has good light resistance and thermal stability. It is often used in inks, plastics and coatings to produce bright red, pink and purple colors.
This compound is commonly used in the textile, printing and dyeing industries to provide specific colors to fabrics or other materials. It has certain chemical stability and dyeing properties, and can achieve dyeing effects by chemical reaction or physical adsorption with fibers.
This dye may have specific color characteristics, such as red, blue, yellow, etc., depending on its molecular structure and chemical properties.

Category Dyestuffs And Pigments Tag Dyestuffs And Pigments

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4-[(5-carbamoyl-o-tolyl)azo]-3-hydroxynaphth-2-anilide CAS# 16403-84-2

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
Product Categories:
Mol File:	16403-84-2.mol

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)

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 %

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