Potassium hydrogen sulfate, EssentQ®

- Synonyms: Potassium bisulfater- KHSO4r- M = 136,17 g/molr- CAS [7646-93-7]r- EINECS-No.: 231-594-1r- Solub. in water: (20 ºC): 490 g/l (exothermic process)r- Melting point: 210 ºC (decomposes)r- LD 50 (oral, rat): 2340 mg/kgr- EC-Index-No.: 016-056-00-4r- ADR: 8 C2 II UN 2509r- IMDG: 8 II UN 2509r- IATA/ICAO: 8 II UN 2509r- GHS-signal word: Dangerr- GHS-H sentences: H314 - H335r- GHS-P sentences: P260 - P303+P361+P353 - P305+P351+P338 - P310 - P405 - P501ar- Tariff number: 2833 29 90 00r- Applications: analytical chemistry, laboratory reagent, for determination of: silicon compounds and ores.rrSPECIFICATIONSrassay (acidimetric): min. 99 %rchlorides (Cl): max. 0,003 %rnitrates (NO3): max. 0,005 %rphosphates (as PO4): max. 0,005 %raluminium (Al): max. 0,002 %rcalcium (Ca): max. 0,01 %rarsenic (As): max. 5 ppmrcopper (Cu): max. 0,005 %rheavy metals (as Pb): max. 0,004 %riron (Fe): max. 0,002 %rlead (Pb): max. 0,005 %rmagnesium (Mg): max. 0,01 %rnickel (Ni): max. 0,01 %r