PRODUCT SPECIFICATION
| TEST | SPECIFICATION |
| Appearance (Form) | Powder |
| Appearance (Color) | Dark Green–Brown |
| Melting Point | 122-125 |
| Maximum Absorption at γ max (nm) | 494 (±5) nm |
| Absorbance (%) | 420 (±10%) |
| Volatile Matter at 105°C | 1 % Max |
| Iron | <250ppm |
| HPLC Purity | >98% |
| Heavy Metal | Passes Test |
