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1.05124 Supelco

Potassium thiocyanate

EMPLURA®

Synonym: Potassium sulfocyanide, Potassium thiocyanate

  • CAS Number 333-20-0

  • Empirical Formula (Hill Notation) CKNS

  • Molecular Weight 97.18

  •  MDL number MFCD00011413

  •  EC Index Number 206-370-1

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Properties

Quality Level   200
vapor pressure   <0.001 hPa ( 20 °C)
assay   ≥98.0% (silver nitrate titration)
form   crystalline
potency   854 mg/kg LD50, oral (Rat)
pH   5.3-8.5 (20 °C, 50 g/L in H2O)
bp   >400 °C/1013 hPa (decomposition)
mp   177 °C
solubility   >1000 g/L
density   1.91 g/cm3 at 20 °C
bulk density   750‑1000 kg/m3
anion traces   chloride (Cl-): ≤0.01%
  sulfate (SO42-): ≤0.05%
cation traces   Fe: ≤ 0.0005%
  heavy metals (as Pb): ≤ 0.001%
InChI   1S/CHNS.K/c2-1-3;/h3H;/q;+1/p-1
InChI key   ZNNZYHKDIALBAK-UHFFFAOYSA-M
storage conditions   Store at +5°C to +30°C.

Description

Analysis Note

Assay (argentometric): ≥ 98.0 %
Identity: passes test
Chloride (Cl): ≤ 0.01 %
Sulfate (SO₄): ≤ 0.05 %
Heavy metals (as Pb): ≤ 0.001 %
Fe (Iron): ≤ 0.0005 %

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EMPLURA is a registered trademark of Merck KGaA, Darmstadt, Germany

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