| Chemical Name | Direct Fast Blue L2R |
| C.I. No. | 34140 |
| CAS No. | 4399-55-7 |
| Structure |  |
| Specification | Molecular Formula : C40H23N7Na4O13S4 Molecular Weight : 1029.87 Shade : Blueish Grey Dull Blue;Non- Metal ; Neutral Flare |
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