Physical Properties
| Physical state at 20 °C | Solid | Colour | Reddish brown |
| Solubility in water [% weight] | Soluble in water |
Packings
25g
10g
Safety Information and Hazard Symbols
Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338
Specifications
| Appearance | Reddish brown powder |
| Absorption maxima (buffer pH 7.0) | 434 – 440 nm |
| Specific absorptivity A1%/1cm (λmax;0.02 g/ buffer pH 7.0; calculated on dried substance) | 130 – 200 |
| Loss on drying (at 105°C) | Max 10.0% |
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