Azoic Diazo Component 48
Name:C.I.Azoic Diazo Component 48,C.I.37235
Molecular Structure:
Molecular Formula:C14H16N2O2
Molecular Weight: 244.29
CAS Registry Number:20282-70-6
Manufacturing Methods : The 1-Methoxy-2-nitrobenzene reduction of 3,3′-Dimethoxylbenzidine, and with an acid rearrangement transposition.
Properties and Applications: gray powder, soluble point 137 ~ 138 ℃. Fine products for needle crystal, exposed to air color will gradually become the deep. Slightly soluble in water, soluble in ethanol, ethyl ether, hydrochloric acid, benzene and chloroform. Mainly used for cotton dyeing, coupled ability is weak, coupling speed.
The fastness properties in cotton:
Coupling components | Fast light | Soda boiling | Oxygen bleaching | Ironing | Chlorine bleaching | ||
ISO | AATCC | ISO | |||||
1/3N | 2N | 2N | |||||
2 | 2 | 4 | 4 | 4-5 | 3-4 | 4-5 | 4 |
3 | 1 | 2 | 3 | 5 | 3 | 4 | 2 |
4 | 2 | 4 | 4 | 4-5 | 3 | 4 | 4 |
5 | 1 | 2 | 1-2 | 4 | 4 | 4 | 3-4 |
7 | 1-2 | 4 | 3 | 5 | 4 | 4-5 | 4 |
8 | 1 | 3 | 3 | 5 | 3 | 3-4 | 4 |
10 | 2 | 2 | 3 | 5 | 3 | 3-4 | 3 |
11 | 1-2 | 4 | 3 | 4 | 3 | 3-4 | 3 |
12 | 4 | 3-4 | 4 | 1-2 | |||
13 | 4-5 | 4-5 | 4 | 3-4 | |||
16 | 6 | 1-2 | 3 | 3 | |||
17 | 1 | 4 | 3 | 3 | 3 | 3-4 | 4 |
18 | 1-2 | 3 | 3-4 | 4-5 | 2 | 3-4 | 4 |
19 | 2 | 4 | 4 | 5 | 3 | 3 | 4 |
20 | 1-2 | 4 | 3 | 4 | 3-4 | 3 | 3 |
23 | 2-3 | 3 | 4 | 3 | |||
25 | 2 | 5-6 | 5 | 4 | 3-4 | ||
29 | 44-5 | 2-3 | 2-3 | ||||
36 | 2 | 1-2 | 4 | 3 |
List of Suppliers:
Adisol Fast Blue Salt B ( Asian Dyestuff Industries )
Amarthol Fast Blue B Base( Amar Dye Chem Ltd )
Amarthol Fast Blue B Salt( Amar Dye Chem Ltd )
Cosmosol Fast Blue B Salt ( Cosmonaut. Chemicals )
Daito Blue Salt B extra conc.( Kaseihin Kogyo Kyokai )
Diazo Fast Blue B ( Rohner Ltd )
Fast Blue B Base( Vipul Dye-Chem Ltd )
Fast Blue B Base ( Aakash Chemicals & Dyestuffs Inc. )
Fast Blue B Base ( Bhavi International Ltd )
Fast Blue B Salt ( Vipul Dye-Chem Ltd )
Fast Blue B Salt ( Sinochem Tianjin Imp Exp Corp )
Fast Blue B-48 Salt( Pyosa Pigments )
Hindasol Blue B Salt ( Arlabs Ltd )
Kako Blue B Salt( Kaseihin Kogyo Kyokai )
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