Azoic Diazo Component 137
Name:C.I.Azoic Diazo Component 137,C.I.37330
Molecular Structure:
C.I.Azoic Diazo Component 137,C.I.37330,CAS 12221-12-4,344.37,C17H20N4O4,Variogen Base III
Molecular Formula:C17H20N4O4
Molecular Weight: 344.37
CAS Registry Number:12221-12-4
Manufacturing Methods : 4-Methoxy-2-nitrobenzenamine diazo, and 3,4-Diethoxyphenylsulfamic acid coupling, then use insurance powder reduction, again with hydrochloric acid acidification.
Properties and Applications: In the cotton fastness properties:
| Coupling components | Fast light | Soda boiling | Oxygen bleaching | Ironing | Chlorine bleaching | ||
| ISO | AATCC | ISO | |||||
| 1/3N | 2N | 2N | |||||
| 2/Cu | 6 | 7-8 | 4-5 | 4 | 4 | ||
| 7/Cu | 6 | 7 | 5 | 3-4 | 4 | ||
| 10/Cu | 6 | 7-8 | 4-5 | 3-4 | 4 | ||
| 13/Cu | 6 | 7 | 4 | 3-4 | 4 | ||
| 17/Cu | 6 | 7 | 4-5 | 3-4 | 4 | ||
| 20/Cu | 6 | 7 | 4-5 | 3-4 | 4 | ||
| 2/8Cu | 6 | 7 | 4 | 3-4 | 4 | ||
List of Suppliers:
Variogen Base III (copper complex)( Hoechst A G )
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