| Article No. | 04681 |
| Purity | |
| Molecular Formula | C37H40N2Na4O13S |
| H.S. Code | 3204.9000 |
| Grade | Indicator grade |
| CAS No. | 1945-77-3 |
| Molecular Weight | 844.76 |
| Shelf Life | 60 Months |
Symbol:
| Physical state at 20 °C | Solid | Colour | Black powder | ||||
| Odour | Odorless | ||||||
| Appearance | Dark green to brown to black powder | Solubility (0.1% in water) | Clear solution |
| Absorption maxima in water | 435 - 443 nm | Absorptivity (A 1%/1cm; at λmax; in water) | Min 120 |
| Loss on drying (at 110°C) | Max 10% | Suitability (as metal indicator) | Passes test |
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