Products
| Direct Blue 71 | |
| Product name | Direct Blue 71 |
| Chinese name | 直接耐晒蓝B2R;直接耐晒蓝B2RL;直接深蓝L-3RB;直接蓝 71;直接蓝 B2R;C.I.直接蓝71; |
| English name | Direct Blue 71 |
| Molecular formula | C40H23N7Na4O13S4 |
| Molecular weight | 1029.87 |
| CAS No. | 4399-55-7 |
| Product photo |  |
| Structure |  |
| chemical properties | |
| Appearance | Black powder |
| Melting point | |
| Content | |
| Moisture | |
| Packing | 25kg |
The other explanation |
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