CAS No: 2082-79-3.

Appearance: white crystalline powder.

Melting point: 50-55℃

Volatile (105℃,2h): 0.2% max.

Toluene solubility (2g/20ml toluene): clear.

Ash: 0.1% max.

Transmittance (425nm): 97% min.

Transmittance (500nm): 98% min.

Content: 98% min.