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Pigment Red 31

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Pigment Red 31 manufacturers

  • Pigment Red 31
  • Pigment Red 31 pictures
  • 2026-09-11
  • CAS:6448-96-0
  • Min. Order: 25kg
  • Purity: 1
  • Supply Ability: 20mt
  • Pigment Red 31
  • Pigment Red 31 pictures
  • $1.00
  • 2020-01-03
  • CAS:6448-96-0
  • Min. Order: 1KG
  • Purity: 99%
  • Supply Ability: 10000KGS
Pigment Red 31 Basic information
Product Name:Pigment Red 31
Synonyms:Pigment Red 31;C.I. 12360;c.i. pigment red 212;(4Z)-4-[[2-methoxy-5-(phenylcarbamoyl)phenyl]hydrazinylidene]-N-(3-nitrophenyl)-3-oxonaphthalene-2-carboxamide;3-hydroxy-4-[[2-methoxy-5-[(phenylamino)carbonyl]phenyl]azo]-n-(3-nitrophenyl)-2-naphthalenecarboxamide;3-HYDROXY-4-2-METHOXY-5-(PHENYLAMINO)CARBONYLPHENYLAZO-N-(3-NITROPHENYL)-2-NAPHTHALENECARBOXAMIDE;4-[[5-(anilino)carbonyl-2-methoxyphenyl]azo]-3-hydroxy-n-(3-nitrophenyl)naphthalene-2-carboxamide;Red Violet
CAS:6448-96-0
MF:C31H23N5O6
MW:561.54
EINECS:229-246-9
Product Categories:Organics
Mol File:6448-96-0.mol
Pigment Red 31 Structure
Pigment Red 31 Chemical Properties
Boiling point 703.3±60.0 °C(Predicted)
density 1.37
vapor pressure 0Pa at 25℃
pka11.10±0.70(Predicted)
Water Solubility 7.22ng/L at 25℃
LogP7.89
CAS DataBase Reference6448-96-0(CAS DataBase Reference)
EPA Substance Registry SystemC.I. Pigment Red 31 (6448-96-0)
Safety Information
TSCA TSCA listed
MSDS Information
Pigment Red 31 Usage And Synthesis
UsesPigment Red 31 (CAS# 6448-96-0) is an organic azo dye used as a colourant and pigment in a variety of applications, such as in inkjet printer ink. Pigment Red 31 interacts with Laponite RD to form a hydrophobic fluorescent organic pigment, a useful analytical reagent.
Flammability and ExplosibilityNot classified
Properties and Applications

TEST ITEMS

SPECIFICATION

APPEARANCE

RED POWDER

SHADE

BLUISH

HEAT RESISTANCE

180 °C min

LIGHT FASTNESS

6~7

ACID RESISTANCE

5

ALKALI RESISTANCE

5

FASTNESS TO BLEEDING

4

OIL ABSORPTION

40-50%

SPECIFIC SURFACE

28 m 2 /g

DENSITY

1.40 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 31 Preparation Products And Raw materials
Raw materials3-Amino-4-methoxybenzanilide-->3-Hydroxy-N-(3-nitrophenyl)-2-naphthalenecarboxamide
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