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1.04967 Supelco

Potassium cyanide

for analysis EMSURE® ACS,ISO,Reag. Ph Eur

Synonym: Cyanogen potassium, Potassium cyanide

  • CAS Number 151-50-8

  • Empirical Formula (Hill Notation) CKN

  • Molecular Weight 65.12

  •  MDL number MFCD00011397

  •  EC Index Number 205-792-3

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Properties

Quality Level   300
grade   ACS reagent
Agency/Method   reag. ISO
  reag. Ph. Eur.
assay   ≥97% (silver nitrate titration)
form   solid
potency   7.49 mg/kg LD50, oral (Rat)
  14.29 mg/kg LD50, skin (Rabbit)
pH   11-12 (20 °C, 20 g/L in H2O)
bp   1625 °C/1013 hPa
mp   634 °C
density   1.55 g/cm3 at 20 °C
bulk density   750 kg/m3
anion traces   chloride (Cl-): ≤0.02%
  phosphate (PO43-): ≤0.005%
  sulfate (SO42-): ≤0.01%
  sulfide (S2-): ≤0.0005%
  thiocyanate (SCN-): ≤0.01%
cation traces   Fe: ≤ 0.01%
  Na: ≤ 0.5%
  Pb: ≤ 0.0002%
InChI   1S/CN.K/c1-2;/q-1;+1
InChI key   NNFCIKHAZHQZJG-UHFFFAOYSA-N
storage conditions   no restrictions.

Description

Linkage

Replaces: PX1435; PX1435-5; PX1435-1; PX1435-20

Analysis Note

Assay (argentometric): ≥ 97.0 %
Chloride (Cl): ≤ 0.02 %
Phosphate (PO₄): ≤ 0.005 %
Sulfate (SO₄): ≤ 0.01 %
Sulphide (S): ≤ 0.0005 %
Thiocyanate (SCN): ≤ 0.01 %
Fe (Iron): ≤ 0.01 %
Na (Sodium): ≤ 0.5 %
Pb (Lead): ≤ 0.0002 %
Corresponds to ACS,Reag. Ph Eur

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