CAS Appearance A white or almost white, crystalline powder or colourless crystals

Specific rotation +21.0~+23.5°
solution (0.5%)
Sulphates ≤300ppm

Iron ≤10ppm
Heavy metals ≤10ppm
Loss on drying ≤0.50%
Sulphated ash ≤0.10%
Assay 98.5~101.0%
No.: 1119-34-2