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ALKALI BLUE
C.I. 42765
| Article No. | Grade | Purity | CAS No. | Molecular Formula | Molecular Weight | H.S. Code | Shelf Life |
|---|---|---|---|---|---|---|---|
| SC3644 | 1324-76-1 | C37H29N3O3S | 595.73 | 3212.9090 | 60 Months |
Packings
| 5 g,25 g |
Physical Properties
Specifications
| Appearance | Brownish black powder |
| Transition range | pH 11.5 - pH 13.0 Violet -wine red |
| Absorption maxima at pH 4.0 | 585 - 590 nm |
| Absorptivity (A 1%/1cm; at λmax; on dried substances) | Min 600 |
| Loss on drying (at 110°C; 1 hr) | Max 5.0% |
Safety Information and Hazard Symbols
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