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Potassium cyanide, EssentQ®, Reag. Ph Eur

- Synonyms: Cyanogen potassiumr- KCNr- M = 65,12 g/molr- CAS [151-50-8]r- EINECS-No.: 205-792-3r- Solub. in water: (25 ºC): 716 g/lr- Melting point: 634 ºCr- Boiling point: 1625 ºCr- Vapour pressure: (634,5 ºC) 1,8 hPar- LD 50 (oral, rat): 5 mg/kgr- EC-Index-No.: 006-007-00-5r- ADR: 6.1 T5 I UN 1680r- IMDG: 6.1 I UN 1680r- IATA/ICAO: 6.1 I UN 1680r- GHS-signal word: Dangerr- GHS-H sentences: H300 - H310 - H330 - H400 - H410 - EUH032r- GHS-P sentences: P260 - P284 - P301+P310 - P320 - P405 - P501ar- Tariff number: 2837 19 00 90r- Applications: for the extraction of gold and silver from minerals, laboratory reagent, fumigant, in galvanotechnia.rrSPECIFICATIONSrassay (argentometric): min. 96 %rinsoluble in water: max. 0,02 % rchlorides (Cl): max. 0,1 %rphosphates (as PO4): max. 0,02 % rsulfates (SO4): max. 0,05 %rsulfides (S): max. 0,005 %rthiocyanates (SCN): max. 0,05 %riron (Fe): max. 0,05 %rlead (Pb): max. 0,001 %rsodium (Na): max. 0,5 % rzinc (Zn): max. 0,05 %r