Product Information
CAS No: 540-72-7
EC Number: 208-733-1
Molecular Formula: NaSCN
Molecular Weight: 81.07
Synonyms: Sodium rhodanide, Sodium sulfocyanate
Grade: Industrial grade / Analytical grade
Purity: 99.0%–99.5% powder; 50% liquid
Chemphysical Properties
Appearance: White deliquescent crystal or crystalline powder
Melting point: 287 ℃
Density: 1.735 g/cm³
Solubility: Highly soluble in water, soluble in ethanol and acetone
Stability: Stable at room temperature; decomposes under strong heating; incompatible with strong acids and strong oxidants
Quality Specification
| Item | Powder | Liquid |
|---|---|---|
| NaSCN, min, % | 99.0 | 50–53 |
| pH value in water (50 g/L) | 6.0–8.0 | 8.0–12.0 |
| Clarity Test in water (100 g/L) | Clarity | Clarity |
| Insoluble substance in water, max, % | 0.005 | 0.003 |
| Chloride (Cl⁻), max, % | 0.02 | 0.01 |
| Sulfate (SO₄²⁻), max, % | 0.02 | 0.01 |
| Heavy metal (Pb), max, % | 0.002 | 0.001 |
| Iron (Fe), max, % | 0.0002 | 0.0001 |
| Water, max, % | 1.0 | — |
Use and Application
It is used as analytical reagent for iron ion test. It serves as textile dyeing assistant and solvent for acrylic fibre spinning. It is also applied in photographic processing, electroplating additive, and raw material for thiocyanate derivatives synthesis.
Packing and Storage
25kg fibre drum or woven bag with inner PE liner.
Store in cool, dry, ventilated warehouse, tightly sealed to prevent moisture absorption.
Keep away from strong acids, oxidants and foodstuffs.
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