Appearance: Red or red-orange crystal or powder
Purity( salt ) : 99% min.
Content: 90% min. 1-Aminoanthraquinone-2-Sulfonic acid: 0.1% max.
Anthraquinone: 0.1% max
1-Aminoanthraquinone : 0.1% max.
1-Amino-2, 4-dibromoanthraquinone: 0.1% max.
1-Amino- 4-bromoanthraquinone:: 0.2%max.
Moisture: 3% max.
Water insolubles: 0.1% max.
Packing: 25kg /bag |