Spec.:
Item
First quality
Second quality
Appearance
Light magenta to aubergine crystalline powder
Assay%
≥80.0
≥75
Insolubles%
≤ 3.0
≤ 5
Water content %
≤ 5.0
≤ 10
Use: 1．In the synthesis of dyestuff. 2．Desulfurizer
