Specification:
Appearance | White crystalline powder | Conform |
Assay (%) | ≥99.5 | 99.62 |
Melting point (℃) | 72.0-75.0 | 74.3-74.9 |
Ash (%) | ≤0.1 | 0.01 |
Volatiles (%) | ≤0.2 | 0.06 |
Transmittance (425nm %) | ≥90.0 | 91.6 |
Transmittance (500nm %) | ≥95.0 | 98.9 |