C₉H₉O₃Na

Molecular weight:     188.8

Properties: This product is white hygroscopic powder. Soluble in water, was alkaline.

Item     Index

Appearance white crystalline powder
Appearance of solution clear and transparent
Qualification test /
Solubility /
PH value 9.5 - 10.5
Moisture ≤ 5.0%
Sulfate ≤ 0.12%
Chloride ≤ 350PPm
Organic volatile substances /

Assay (dry)    98.5%-101.5%

This product is a water-soluble preservative, the main feature is safe, efficient, broad-spectrum antibacterial. Widely used in the pharmaceutical industry (Chinese herbal medicine, the preparation