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Pigment Red 31

Basic information Safety Supplier Related

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
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Pigment Red 31 Chemical Properties

Boiling point:
703.3±60.0 °C(Predicted)
Density 
1.37
vapor pressure 
0Pa at 25℃
pka
11.10±0.70(Predicted)
Water Solubility 
7.22ng/L at 25℃
LogP
7.89
CAS DataBase Reference
6448-96-0(CAS DataBase Reference)
EPA Substance Registry System
C.I. Pigment Red 31 (6448-96-0)
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Pigment Red 31 Usage And Synthesis

Uses

Pigment 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 Explosibility

Notclassified

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 materials

Pigment Red 31Supplier

Winchem Industrial Co. Ltd
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Shanghai JONLN Reagent Co., Ltd.
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400-0066400 13621662912
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Hubei Jusheng Technology Co.,Ltd
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027-59599241 18871490274
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Chizhou Kailong Import and Export Trade Co., Ltd.
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Shanghai Orgchem Co.,Ltd.
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+86-21-5877 1921
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