Vat Blue 37
Name:C.I.Vat Blue 37,C.I.73050
Molecular Structure: Indigo class
Molecular Formula:C16H6Br2Cl2N2O2
Molecular Weight: 488.94
CAS Registry Number:6371-35-3
Manufacturing Methods : (a) 5,5′-Dichlomindigotin (GP 224204224 810); (b) 7,7′-Dibromoindigo chlorinated (GP 237262)
Properties and Applications: blue. In concentrated sulfuric acid to blue light green, dilution after blue flocks; In the basic insurance powder solution for yellow brown; In the acidic insurance powder solution for colorless.
Standard | Ironing Fastness | Chlorine bleach | Light Fastness | Mercerized | Oxygen bleach | Soaping | |
Fading | Stain | ||||||
ISO | 5 | 2 | 4 | 2-3 | 3 |
List of Suppliers:
Brilliant Indigo BASF 2B( BASF Aktiengesellschaft )
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