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Potassium nitrite, crystallized, for analysis, ExpertQ®, ACS

- Synonyms: Nitrous acid potassium saltr- KNO2r- M = 85,11 g/molr- CAS [7758-09-0]r- EINECS-No.: 231-832-4r- Solub. in water: (20 ºC): solubler- Melting point: 440 ºCr- EC-Index-No.: 007-011-00-Xr- ADR: 5.1 O2 II UN 1488r- IMDG: 5.1 II UN 1488r- IATA/ICAO: 5.1 II UN 1488r- GHS-signal word: Dangerr- GHS-H sentences: H272 - H301 - H400r- GHS-P sentences: P221 - P210 - P301+P310 - P370+P378 - P405 - P501ar- Tariff number: 2834 10 00 00r- Applications: analytical chemistry, laboratory reagent, in food industry, preservative agent (E-249), for determination of: aminoacids, cobalt, iodine, urea.rrSPECIFICATIONSrassay (permanganometric): min. 96,0 %rinsoluble in water: max. 0,01 %rpH (5 %, H2O): 7,0 - 10,0rchlorides (Cl): max. 0,01 %rsulfates (SO4): max. 0,01 %rcalcium (Ca): max. 0,003 %rheavy metals (as Pb): max. 0,001 %riron (Fe): max. 0,001 %rsodium (Na): max. 0,5 % r