Product Information
CAS No: 333-20-0
EC Number: 206-370-1Molecular Formula: KSCN
Molecular Weight: 97.18
Synonyms: Potassium rhodanide, Potassium sulfocyanate
Grade: Industrial grade / Analytical grade
Purity: 99.0%–99.5%
Appearance: Colourless or white crystalline solid
Melting point: 173 ℃
Boiling point: Decomposes above 500 ℃
Density: 1.89 g/cm³
Solubility: Highly soluble in water, soluble in ethanol and acetone
Stability: Stable under normal conditions; decomposes under strong heating, incompatible with strong acids, oxidants
Quality Specification
| Item | Standard |
|---|---|
| Assay | 99.0% min |
| Loss on drying | 0.3% max |
| Chloride (Cl) | 0.02% max |
| Sulphate (SO₄) | 0.01% max |
| Heavy metals (Pb) | 10 ppm max |
| Iron (Fe) | 5 ppm max |
Use and Application
It is used as a standard reagent for ferric ion detection in laboratory analysis. It applies in textile printing and dyeing as a dyeing assistant. It is also used in photographic processing, synthetic intermediate, electroplating auxiliary, and for the production of thiocyanate salts.
Packing and Storage
25kg woven bag or fibre drum with inner PE bag.
Store in cool, dry, ventilated warehouse, sealed, away from strong acids, oxidants and heat sources.
Keep separate from food and feed.




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