Pigment Red 3

Pigment Red 3
  • CAS No.:2425-85-6
Other grades of this product :
Pigment Red 3 Basic information
Product Name:Pigment Red 3
Synonyms:((4-Methyl-2-nitrophenyl)azo)-2-naphthol;1-((2-nitro-4-methylphenyl)azo)-2-naphthol;adctoluidineredb;atlasolspiritred3;Basoflex Red 361;C.I. Pigment Red 3;C.I.Pigmentred3;C.I.PigmentRed3(12120)
CAS:2425-85-6
MF:C17H13N3O3
MW:307.3
EINECS:219-372-2
Product Categories:Organics
Mol File:2425-85-6.mol
Pigment Red 3 Chemical Properties
Melting point 270-272 °C(lit.)
Boiling point 447.81°C (rough estimate)
density 1.1873 (rough estimate)
refractive index 1.6500 (estimate)
form neat
Colour Index 12120
pka13.45±0.50(Predicted)
Water Solubility 211μg/L at 20℃
Stability:Stable. May be moisture sensitive. Incompatible with strong oxidizing agents.
LogP5.4 at 25℃
CAS DataBase Reference2425-85-6(CAS DataBase Reference)
NIST Chemistry Reference2-Naphthalenol, 1-[(4-methyl-2-nitrophenyl)azo]-(2425-85-6)
IARC3 (Vol. 57) 1993
EPA Substance Registry SystemC.I. Pigment Red 3 (2425-85-6)
Safety Information
Hazard Codes Xi,N
Risk Statements 41-50/53
Safety Statements 26-39-60-61
RIDADR UN 3077 9/PG 3
WGK Germany 3
RTECS QK4247000
Hazardous Substances Data2425-85-6(Hazardous Substances Data)
MSDS Information
ProviderLanguage
Pigment Red 3 English
Pigment Red 3 Usage And Synthesis
Chemical Propertiesred to orange powder
General DescriptionYellowish-red to red powder or solid.
Air & Water ReactionsSensitive to moisture Dust suspensions in air can be explosive at certain concentrations. Insoluble in water.
Reactivity ProfilePigment Red 3 may form toxic gases with acids, aldehydes, amides, carbamates, cyanides, inorganic fluorides, halogenated organics, isocyanates, ketones, metals, nitrides, peroxides, phenols, epoxides, acyl halides, and strong oxidizing or reducing agents. May form flammable gases with alkali metals. Explosive combination can occur with strong oxidizing agents, metal salts, peroxides, and sulfides.
Fire HazardFlash point data for Pigment Red 3 are not available; however, Pigment Red 3 is probably combustible.
Flammability and ExplosibilityNonflammable
Properties and Applications

TEST ITEMS

SPECIFICATION

APPEARANCE

DARK RED POWDER

SHADE

BLUISH

HEAT RESISTANCE

140 °C min

LIGHT FASTNESS

7

ACID RESISTANCE

5

ALKALI RESISTANCE

5

FASTNESS TO BLEEDING

4

OIL ABSORPTION

40-45%

SPECIFIC SURFACE

28 m 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 %

Pigment Red 3 Preparation Products And Raw materials
Raw materialsHydrochloric acid-->Sodium nitrite-->2-Naphthol-->4-Methyl-2-nitroaniline
Preparation ProductsAlkyd resin paint-->Various color amino baking enamel A04-9

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