Disperse Blue 31
Name:C.I.Disperse Blue 31,C.I.64505
Molecular Structure: anthraquinones
Molecular Formula:
Molecular Weight:
CAS Registry Number: 1328-23-0/5442-09-1
Manufacturing Methods : (a) 1,5-Diaminoanthraquinone in oxalic acid acylation, then in oblate sulfuric acid, and hydrolysis and reduction;
(b) will be 1,5-Dinitroanthracene-9,10-dione and 1,8-Dinitroanthracene-9,10-dione mixture into a corresponding reduction of two amino content, and then acylation, again nitrification, restore and hydrolysis;
(c) (b) in accordance with the law, the second time in nitrification boric acid and sulfuric acid. Its product (C.I.Disperse Blue 1) used in the sulphuric acid methanol methylation.
Properties and Applications: Brilliant Blue
Standard(Polyamide) | Ironing Fastness | Light Fastness | Persperation Fastness | Washing Fastness | |||
Fading | Stain | Fading | Stain | Fading | Stain | ||
ISO | 5 | 4-5 | 4 | 4-5 | 2 | 4-5 | 2 |
List of Suppliers:
Celliton Blue 3G( BASF Aktiengesellschaft )
Chemilene Brilliant Blue ECB( Chemiequip Ltd )
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