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Pigment Red 3

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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
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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
pka
13.45±0.50(Predicted)
Stability:
Stable. May be moisture sensitive. Incompatible with strong oxidizing agents.
CAS DataBase Reference
2425-85-6(CAS DataBase Reference)
NIST Chemistry Reference
2-Naphthalenol, 1-[(4-methyl-2-nitrophenyl)azo]-(2425-85-6)
IARC
3 (Vol. 57) 1993
EPA Substance Registry System
C.I. Pigment Red 3 (2425-85-6)
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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 Data
2425-85-6(Hazardous Substances Data)

MSDS

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Pigment Red 3 Usage And Synthesis

Chemical Properties

red to orange powder

General Description

Yellowish-red to red powder or solid.

Air & Water Reactions

Sensitive to moisture Dust suspensions in air can be explosive at certain concentrations. Insoluble in water.

Reactivity Profile

Pigment 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 Hazard

Flash point data for Pigment Red 3 are not available; however, Pigment Red 3 is probably combustible.

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

Preparation Products

Raw materials

Pigment Red 3Supplier

J & K SCIENTIFIC LTD.
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sales@heowns.com