PRODUCT SPECIFICATION
| TEST | SPECIFICATION |
| Appearance (Form) | Powder |
| Appearance (Color) | Violet / Dark Brown |
| Solubility in water | Soluble |
| Maximum Absorption at γ max (nm) | 481 (±5) nm |
| Absorbance | 600 (±10%) |
| Volatile Matter at 105°C | 10 % Max |
| Iron | <250ppm |
| Strength | Min. 95% |
| Heavy Metal | Passes Test |
| HPLC | >98% |




