Description
| CAS | 2321-07-5 |
| Molecular Formula | C20H12O5 |
| Molecular Weight | 332.31 |
| Shelf Life | 60 Months |
| Physical Properties | |||
| Physical State at 20 °C | Solid | Colour | Orange red powder |
| Odour | Odorless | Melting Point/ Freezing Point [°C] | 320 °C |
| Specifications | |||
| Appearance | Orange red brown or maroon powder | Assay (By Hplc) | Min 95% |
| Solubility (In 1N Naoh) | 50 mg/ml | Molar Absorptivity E (490+/-2Nm) | Min 70000 |
| Molar Absorptivity E (284+/-2Nm) | Min 12000 | Molar Absorptivity E (238+/-2Nm) | Min 39000 |
| Loss On Drying (At 105°C) | Max 5.0% | ||
| Dangerous Goods Information | |||
| UN Number | – | DG Class | – |
| Safety Information & Hazard Symbols | |
| Symbol | GHS07 |
| Signal Word | Warning |
| Hazard Statement | H319 |
| Precaution Statement | P305 + P351 + P338 |















