PRODUCT SPECIFICATION
| TEST | SPECIFICATION |
| Appearance (Form) | Crystalline Powder |
| Appearance (Color) | Dark Red Brown powder |
| Maximum Absorption at γ max (nm) | 478 (±5) nm |
| Absorbance (%) | Min. 900 (%) |
| Volatile Matter at 105°C | 5 % Max |
| Iron | Max. 250ppm |
| HPLC Purity | Min. 98% |
| Heavy Metal | Passes Test |




