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Potassium peroxodisulfate, EssentQ®, Reag. Ph Eur

- Synonyms: Potassium persulfate, Peroxydisulfuric acid dipotassium saltr- K2S2O8r- M = 270,33 g/molr- CAS [7727-21-1]r- EINECS-No.: 231-781-8r- Solub. in water: (20 ºC): 47 g/lr- Melting point: 100 ºC (decomposes)r- LD 50 (oral, rat): 802 mg/kgr- ADR: 5.1 O2 III UN 1492r- IMDG: 5.1 III UN 1492r- IATA/ICAO: 5.1 III UN 1492r- GHS-signal word: Dangerr- GHS-H sentences: H334 - H272 - H302 - H335 - H315 - H319 - H317r- GHS-P sentences: P221 - P210 - P305+P351+P338 - P370+P378 - P405 - P501ar- Tariff number: 2833 40 00 10r- Applications: analytical chemistry, laboratory reagent, cosmetics, photography.r- Appearance: White crystalline powderrrSPECIFICATIONSrassay (iodometric): min. 98 %rinsoluble in water: max. 0,02 % rchlorides (Cl): max. 0,005 %rcopper (Cu): max. 0,005 %rheavy metals (as Pb): max. 0,005 %riron (Fe): max. 0,002 %rlead (Pb): max. 0,005 %rmanganese (Mn): max. 5 ppmrnickel (Ni): max. 0,005 %r