Acid Red 141
Name:C.I.Acid Red 141,C.I.15625
Molecular Structure: Single azo class
Molecular Formula:C20H13N2NaO4S
Molecular Weight: 400.38
CAS Registry Number:5850-93-1
Manufacturing Methods : 5-Aminonaphthalene-1-sulfonic acid diazo, and Naphthalen-2-ol coupling.
Properties and Applications: red. Soluble in hot water for red, slightly soluble in cold water and ethanol. The strong sulfuric acid to red light purple, diluted precipitation is brown; In nitric acid solution for yellow brown; In a dilute sodium hydroxide solution for yellow brown solution. In water solution to join hydrochloric acid with brown precipitation; Add sodium hydroxide solution to become yellow.
Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
Fading | Stain | Fading | Stain | Fading | Stain | |||
ISO | 2-3 | 2 | 1 | 3 | 1 | 1 | 2 | 3 |
List of Suppliers:
Acid Red 2G,Acid Red AR
Hangzhou Xiasha Hengsheng (Sunshine) Chemicals Co.,Ltd.
Acid Red 2G ( Ciech SA )
Acid Red 2G ( Dandong Jinlong Dyestuff Chemical Co Ltd )
Eniacid Red AGS( Enia Industries Quimicas S.A. )
Lecotan Red AR( Jinwoong Industrial Co Ltd )
Lecotan Red JC ( Jinwoong Industrial Co Ltd )