Physical Properties
| Physical state at 20 °C | Solid | Odour | Odorless |
| Melting point/ Freezing point [°C] | 261 – 263 °C | Solubility in water [% weight] | Slightly soluble in water |
| Colour | White powder | Density [g/cm3] | 1.299 |
Packings
500g
100g
50g
Safety Information and Hazard Symbols
Symbol: GHS08
Signal Word: Danger
Hazardous Statement: H341-H350-H361
Precaution Statement: P201-P281-P308 + P313
Signal Word: Danger
Hazardous Statement: H341-H350-H361
Precaution Statement: P201-P281-P308 + P313
Specifications
| Appearance | A white to off white powder |
| pH range (8.2 – 10.0) | Colourless to red-violet |
| Absorption maxima (buffer pH 9.8) | 551 – 554 nm |
| Sensitivity | Passes test |
| Sulphated ash | Max 0.05% |
| Chloride (Cl) | Max 0.01% |
| Sulphate (SO4) | Max 0.01% |
| Loss on drying (at 110°C) | Max 1% |
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