Acid Blue 142
Name:C.I.Acid Blue 142,C.I.42120
Molecular Structure: triarylmethane class
C.I.Acid Blue 142,C.I.42120,CAS 61723-94-2,814.94,C47H39N2NaO6S2,Weak Acid Brilliant Blue 5GM,Acid Blue 5GM,Acid Brilliant Blue 5GM
Molecular Formula:C47H39N2NaO6S2
Molecular Weight: 814.94
CAS Registry Number:61723-94-2
Manufacturing Methods : 4-Formylbenzene-1,3-disulfonic acid (1 Moore) and N,N-dibenzylbenzenamine (2 Moore) condensation, and oxidation.
Properties and Applications: green light blue. Red light blue powder. The strong sulfuric acid for yellow brown colloidal, diluted into lake green, accompanied by precipitation; In nitric acid for old yellow glue shape. Water solution is blue lake, add a little precipitation hydrochloric acid, sodium hydroxide slightly to become yellow, and the precipitation. Used for wool, silk and fabric dyeing and printing, also can be used for leather dyeing.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 2 | 4 | 4-5 | 5 | 1-2 | 4-5 | ||
List of Suppliers:
Weak Acid Brilliant Blue 5GM,Acid Blue 5GM,Acid Brilliant Blue 5GM
Hangzhou Xiasha Hengsheng (Sunshine) Chemicals Co.,Ltd.
Jinhua Hanllycome Chemical Co., Ltd.
Best Acid Brill Blue 5GM( Oriental Giant Dyes and Chemical Ind Corp )