Molecular formula: C₈H₁₇N₂NaO₄S

Assay (Titration,0.1 N H2SO4):≥96.0%

Water content (By Karl fischer): ≤3.0%

PH 1.0%:9.5-10.5

UV absorbance:280nm: ≤0.02

260nm: ≤0.04

Packing:25kgs paper bag/25kgs fibre drum