Description
| CAS | 1260-17-9 |
| Molecular Formula | C22H20O13 |
| Molecular Weight | 492.40 |
| Shelf Life | 60 Months |
| Physical Properties | |||
| Physical State at 20 °C | Solid | Colour | Red |
| Odour | Odorless | pH Value | 4.8 – 6.2 |
| Solubility in Water [% weight] | Appreciable (> 10%) | ||
| Specifications | |||
| Appearance | Dark brownish red powder | Assay (Acidimetric; On Dried Basis) | Min 98.0% |
| Loss On Drying (At 105°C) | Max 7.0% | Suitability (For Microscopy) | Passes test |
| Absorption Maxima at pH 3.0 | 490 – 495 nm | Specific Absorptivity 1%/1Cm (At Lmax) | Min 130 |
| Dangerous Goods Information | |||
| UN Number | – | DG Class | – |















