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Potassium cyanide, EssentQ®, Reag. Ph Eur

- Synonyms: Cyanogen potassium
- KCN
- M = 65,12 g/mol
- CAS [151-50-8]
- EINECS-No.: 205-792-3
- Solub. in water: (25 ºC): 716 g/l
- Melting point: 634 ºC
- Boiling point: 1625 ºC
- Vapour pressure: (634,5 ºC) 1,8 hPa
- LD 50 (oral, rat): 5 mg/kg
- EC-Index-No.: 006-007-00-5
- ADR: 6.1 T5 I UN 1680
- IMDG: 6.1 I UN 1680
- IATA/ICAO: 6.1 I UN 1680
- GHS-signal word: Danger
- GHS-H sentences: H300 - H310 - H330 - H400 - H410 - EUH032
- GHS-P sentences: P260 - P284 - P301+P310 - P320 - P405 - P501a
- Tariff number: 2837 19 00 90
- Applications: for the extraction of gold and silver from minerals, laboratory reagent, fumigant, in galvanotechnia.

SPECIFICATIONS
assay (argentometric): min. 96 %
insoluble in water: max. 0,02 %
chlorides (Cl): max. 0,1 %
phosphates (as PO4): max. 0,02 %
sulfates (SO4): max. 0,05 %
sulfides (S): max. 0,005 %
thiocyanates (SCN): max. 0,05 %
iron (Fe): max. 0,05 %
lead (Pb): max. 0,001 %
sodium (Na): max. 0,5 %
zinc (Zn): max. 0,05 %