CAS No. : 868858-48-4
Molecular Formula: C7H7O2SNa·4H2O
Molecular Weight: 250.25
Structural Formula:
结构式:
Technical index:
Appearance: white crystalline powder
Assay: ≥98%
Moisture: 25-35%
PH: 8.0-10.0
Insoluble Matter In Water(20% H2O solution): clear & colorless
Sulfate: ≤0.2%
Chloride: ≤0.5%
Heavy Metal: ≤10 ppm
Iron: ≤10 ppm
Usage: Used in organic synthesis, can make medicine pesticide dyes and synthetic resins, also used as electroplating brightener used for surface coating.
Packing: 25kg plastic woven bag or 25kg fibre drums.