Item |
Specification |
Appearance |
white powder or light yellow crystal powder |
Melting point range |
218.0~225.5℃ |
Loss on heating |
0.5% max |
Ash 850+/- 25℃ |
0.10% max |
Solubility |
Clear |
transmittance
|
425nm 95.0% min |
500nm 97.0% min | |
Purity |
98% min |