| Physical Properties | Specification |
| Appearance | Yellowish crystalline powder |
| Transmittance (%) | 460 nm≥90 |
| 500 nm ≥95 | |
| Melting point (°C) | 47-49 |
| Total ash (%) | ≤ 0.1 |
| Purity (%) | ≥ 99 |

| Physical Properties | Specification |
| Appearance | Yellowish crystalline powder |
| Transmittance (%) | 460 nm≥90 |
| 500 nm ≥95 | |
| Melting point (°C) | 47-49 |
| Total ash (%) | ≤ 0.1 |
| Purity (%) | ≥ 99 |