Item
Specification
Results
Appearance
Blue-black crystal or powder
Conforms
Content
≥99.0%
Conforms
Carbon Content
Carbon content:>94.7%( By element analysis)
Purifying Methods
Sublimation in vacuum
Solubility
Insoluble in most of Organic Solvents,soluble slightly in hot Benzene
Melting Point
>300℃
Sublimation Point
372~374℃