PRODUCT SPECIFICATION
| TEST | SPECIFICATION |
| Appearance (Form) | Amorphous Powder |
| Appearance (Color) | Yellow Green powder |
| Solubility in Methanol | Soluble |
| Maximum Absorption at γ max (nm) | 522 (±5) nm, 416((±5) nm |
| Absorbance (%) | Min. 315 (±5%), 600 (±5%) |
| Volatile Matter at 105°C | 5 % Max |
| Iron | Max. 250ppm |
| HPLC Purity | Min. 90% |
| Heavy Metal | Passes Test |




