PRODUCT SPECIFICATION
| TEST | SPECIFICATION |
| Appearance (Form) | Solid Powder |
| Appearance (Color) | Violet Blue/Greenish |
| Solubility in Water | Soluble |
| Maximum Absorption at γ max (nm) | 523(±5)nm |
| Volatile Matter at 105°C | 15% Max. |
| Absorbance | Min. 750 |
| Iron | <250ppm |
| HPLC Purity | >98% |
| Heavy Metal | Passes Test |




