| Article No. | 05172 |
| Purity | |
| Molecular Formula | C20H14O4 |
| H.S. Code | 2932.2090 |
| Grade | |
| CAS No. | 77-09-8 |
| Molecular Weight | 318.33 |
| Shelf Life | 60 Months |
Symbol:
| Physical state at 20 °C | Solid | Colour | White powder | ||||
| Odour | Odorless | Melting point/ Freezing point [°C] | 261 - 263 °C | ||||
| Density [g/cm3] | 1.299 | Solubility in water [% weight] | Slightly soluble in water | ||||
| 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% |
 |
Symbol: GHS08
Signal Word: Danger
Hazardous Statement: H341-H350-H361f
Precaution Statement: P201-P280-P308+P313
EN 