COLCHICINE
COLCHICINE
| Article No. | 587300 |
| Grade | Extra Pure |
| Purity | 98.5% |
| CAS No. | 64-86-8 |
| Molecular Formula | C₂₂H₂₅NO₆ |
| Molecular Weight | 399.44 g\mol |
| H.S. Code | 2939.8000 |
| Shelf Life | 60 Months |
Physical properties
| Physical State at 20 °C | Solid |
| Colour | White powder |
| pH Value | 6 |
| Melting Point / Freezing Point | 150 – 160 °C |
| Solubility in Water [% weight] | Soluble |
Specifications
| Appearance | White to Pale yellow crystals, amorphous scales or powder |
| Solubility | 10% solution in water is clear |
| Identification (FTIR) | Conforms |
| Assay (on anhydrous substance) | Min 98.0% |
| Specific Rotation [α] (C = 1% solution in alcohol) | Between -240° to -250° |
| Absorbance (0.001% w/v solution in 95% ethanol) | At 243 nm: About 0.73 / At 350 nm: About 0.42 |
| Sulphated Ash | Max 0.1% |
| Water | Max 2.0% |
| Colchicine | Passes test |
| Packings | 1gm-10gm |
