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Potassium hydroxide, pellets, for analysis, ExpertQ®, ACS, ISO, Reag. Ph Eur

- Synonyms: Potash caustic, Potassium hydrate, Potassium oxide hydrater- KOHr- M = 56,11 g/molr- CAS [1310-58-3]r- EINECS-No.: 215-181-3r- Solub. in water: (20 ºC): solubler- Melting point: 360 ºCr- Boiling point: 1320 ºCr- LD 50 (oral, rat): 273 mg/kgr- EC-Index-No.: 019-002-00-8r- ADR: 8 C6 II UN 1813r- IMDG: 8 II UN 1813r- IATA/ICAO: 8 II UN 1813r- GHS-signal word: Dangerr- GHS-H sentences: H314 - H302r- GHS-P sentences: P260 - P303+P361+P353 - P305+P351+P338 - P310 - P405 - P501ar- Tariff number: 2815 20 10 00r- Applications: analytical chemistry, laboratory reagent, titrant in volumetric analysis, synthesis of organic products, in the pharmaceutics industry.rrSPECIFICATIONSrassay (acidimetric): 85,0 - 100,5%rpH : min. 10,5ridentification B (EP): passes testrappearance of solution: clear and colourlessrcarbonates (as K2CO3): max. 1,5 %rchlorides (Cl): max. 50 ppmrphosphates (as PO4): max. 5 ppmrsilicates (SiO2): max. 100 ppm: rsulfates (SO4): max. 30 ppmrtotal nitrogen (as N): max. 0,001 %raluminium (Al): max. 20 ppmrcalcium (Ca): max. 20 ppmrheavy metals: max. 0,001 %riron (Fe): max. 10 ppmrlead (Pb): max. 10 ppmrmagnesium (Mg): max. 5 ppmrnickel (Ni): max. 10 ppmrsodium (Na): max. 500 ppmrzinc (Zn): max. 10 ppmr