Xanthone (CAS No.90-47-1)

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■SPECIFICATION
Chemical name Xanthone
Appearance White needle crystal or powder
Assay 98.0% Min
Loss on drying 0.5% Max
Ignition residue 0.5% Max
Heavy metals 10ppm Max
Chloride -
Boiling point -
Melting point 172〜174℃
Solubility Almost soluble in acetone alkali
Packing 50Kg net in a fiber drum
USE Raw material pharmaceutical bulk
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