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Pigment Red 23

Pigment Red 23 Structure
Pigment Red 23 structure
CAS No.
6471-49-4
Chemical Name:
Pigment Red 23
Synonyms
C.I. 12355;CIPIGMENT23;Irgalite Red;Fast Pink B;pigment red 23;Pigment Red 245;Fast Carmine RBS;6316 Fast Rose Red;6368 Permanent Pink;c.i. pigment red 157
CBNumber:
CB1855201
Molecular Formula:
C24H17N5O7
Molecular Weight:
487.42
MDL Number:
MFCD00071991
MOL File:
6471-49-4.mol
MSDS File:
SDS
Last updated:2023-04-23 13:52:06
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Pigment Red 23 Properties

Melting point 330-340°C
Boiling point 583.02°C (rough estimate)
Density 1.4576 (rough estimate)
vapor pressure 0Pa at 25℃
refractive index 1.7500 (estimate)
storage temp. Amber Vial, -20°C Freezer
solubility Basic DMSO (Slightly), DMSO (Very Slightly), Methanol (Slightly)
form Solid
pka 11.07±0.70(Predicted)
color Dark Red
Water Solubility <0.1 g/100 mL at 22 ºC
Stability Stable, but light sensitive. Incompatible with strong oxidizing agents.
LogP 5.04 at 25℃
CAS DataBase Reference 6471-49-4(CAS DataBase Reference)
FDA UNII 082H78U257
EPA Substance Registry System C.I. Pigment Red 23 (6471-49-4)

Pigment Red 23 price

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
TRC P437790 PigmentRed23(techgrade) 6471-49-4 500mg $120 2021-12-16 Buy
TRC P437790 PigmentRed23(techgrade) 6471-49-4 1g $230 2021-12-16 Buy
Usbiological 287400 Pigment Red 23 6471-49-4 250mg $326 2021-12-16 Buy
American Custom Chemicals Corporation DYE0000701 PIGMENT RED 23 95.00% 6471-49-4 5G $225.75 2021-12-16 Buy
AK Scientific O854 PigmentRed23,tech. 6471-49-4 1g $98 2021-12-16 Buy
Product number Packaging Price Buy
P437790 500mg $120 Buy
P437790 1g $230 Buy
287400 250mg $326 Buy
DYE0000701 5G $225.75 Buy
O854 1g $98 Buy

Pigment Red 23 Chemical Properties,Uses,Production

Chemical Properties

red powder

General Description

Red to bluish red powder.

Air & Water Reactions

Azo dyes can be explosive when suspended in air at specific concentrations. Insoluble in water.

Reactivity Profile

Pigment Red 23 is sensitive to light and may be sensitive to heat. Pigment Red 23 is incompatible with strong oxidizing agents. . Pigment Red 23 is an azo compound. Azo, diazo, azido compounds can detonate. This applies in particular to organic azides that have been sensitized by the addition of metal salts or strong acids. Toxic gases are formed by mixing materials of this class 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. Flammable gases are formed by mixing materials in this group with alkali metals. Explosive combination can occur with strong oxidizing agents, metal salts, peroxides, and sulfides.

Fire Hazard

Flash point data for Pigment Red 23 are not available. Pigment Red 23 is probably combustible.

Flammability and Explosibility

Not classified

Properties and Applications

TEST ITEMS

SPECIFICATION

APPEARANCE

RED POWDER

SHADE

YELLOWISH

HEAT RESISTANCE

140 °C min

LIGHT FASTNESS

6~7

ACID RESISTANCE

5

ALKALI RESISTANCE

4

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 23 Preparation Products And Raw materials

Raw materials

Preparation Products

Pigment Red 23 Suppliers

Global( 56)Suppliers
Supplier Tel Email Country ProdList Advantage
Hubei Jusheng Technology Co.,Ltd. 		18871490254 linda@hubeijusheng.com CHINA 28180 58
Winchem industrial co limited 		+86-0086-574-83851061 +86-13003762012 lucyhu@win-chemical.com China 300 58
CONIER CHEM AND PHARMA LIMITED 		+8618523575427 sales@conier.com China 49390 58
career henan chemical co 		+86-0371-86658258 15093356674; factory@coreychem.com China 29826 58
Hefei TNJ Chemical Industry Co.,Ltd. 		0551-65418671 sales@tnjchem.com China 34572 58
AFINE CHEMICALS LIMITED 		0571-85134551 info@afinechem.com CHINA 15377 58
Alfa Chemistry 		+1-5166625404 Info@alfa-chemistry.com United States 21317 58
GIHI CHEMICALS CO.,LIMITED 		+8618058761490 info@gihichemicals.com China 49999 58
Mainchem Co., Ltd. +86-0592-6210733 sale@mainchem.com China 32360 55
Chemwill Asia Co.,Ltd. 86-21-51086038 chemwill_asia@126.com CHINA 23931 58
Supplier Advantage
Hubei Jusheng Technology Co.,Ltd. 		58
Winchem industrial co limited 		58
CONIER CHEM AND PHARMA LIMITED 		58
career henan chemical co 		58
Hefei TNJ Chemical Industry Co.,Ltd. 		58
AFINE CHEMICALS LIMITED 		58
Alfa Chemistry 		58
GIHI CHEMICALS CO.,LIMITED 		58
Mainchem Co., Ltd. 55
Chemwill Asia Co.,Ltd. 58

View Lastest Price from Pigment Red 23 manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Pigment Red 23 pictures 2022-12-10 Pigment Red 23
6471-49-4
 US $0.00 / kg 25kg 1 20mt Winchem industrial co limited
Pigment Red 23 pictures 2020-02-17 Pigment Red 23
6471-49-4
 US $1.00 / KG 1KG 99% 200kgs Career Henan Chemical Co

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1of4

3-Hydroxy-4-[(2-methoxy-5-nitrophenyl)azo]-N-(3-nitrophenyl)naphthalene-2-carboxamide NAPTHOL RED BLUE SHADE Irgalite Red 2-Naphthalenecarboxamide, 3-hydroxy-4-(2-methoxy-5-nitrophenyl)azo-N-(3-nitrophenyl)- 2-Naphthalenecarboxamide, 4-5-(aminocarbonyl)-2-methoxyphenylazo-3-hydroxy-N-phenyl- pigment red 23 C.I. 12355 CIPIGMENT23 1-(2-Methoxy-5-nitrophenylazo)-2-hydroxy-3-(3-nitrophenylcarbamoyl)naphthalene 3-Hydroxy-4-[(2-methoxy-5-nitrophenyl)azo]-3'-nitro-2-naphthanilide 3-hydroxy-4-[(2-methoxy-5-nitrophenyl)azo]-N-(3-nitrophenyl)-2-Naphthalenecarboxamide c.i. pigment red 157 4-[[5-(aminocarbonyl)-2-methoxyphenyl]azo]-3-hydroxy-N-phenyl-2-Naphthalenecarboxamide Fast Carmine RBS Fast Pink B C.I. Pigment Red 245 6316 Fast Rose Red 6368 Permanent Pink Alkali Resistant Red Dark Pigment Red 245 Pigment red 245 (C.I. 12317) Pigment red 23 (C.I. 12355) 2-Naphthalenecarboxamide, 3-hydroxy-4-[2-(2-methoxy-5-n itrophenyl)diazenyl]-N-(3-nitrophenyl)- SOFRHZUTPGJWAM-CYYJNZCTSA-N Pigment Red 23 (tech grade) Phenmetrazine Impurity 5 6471-49-4 Organics Dyes and Pigments