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Potassium metaperiodate, for analysis, ExpertQ®, ACS

- Synonyms: Potassium tetroxoiodate
- KIO4
- M = 230,00 g/mol
- CAS [7790-21-8]
- EINECS-No.: 232-196-0
- Solub. in water: (20 ºC): 7 g/l
- Melting point: 581 ºC
- ADR: 5.1 O2 II UN 1479
- IMDG: 5.1 II UN 1479
- IATA/ICAO: 5.1 II UN 1479
- GHS-signal word: Danger
- GHS-H sentences: H272
- GHS-P sentences: P221 - P210 - P220 - P280 - P370+P378 - P501a
- Tariff number: 2829 90 80 00
- Applications: synthesis of organic products, oxidizing agent, for colourimetric determinations (manganese).
- Appearance: White-fine crystalline powder

SPECIFICATIONS
assay (iodometric, on dried sample): 99,8 - 100,3 %
insoluble in water: max. 0,005 %
pH (0,5 %, H2O): 5,0 - 5,4
other halogens (as Cl): max. 0,01 %
iodides (I): max. 0,001 %
sulfates (SO4): max. 0,005 %
heavy metals (as Pb): max. 0,001 %
iron (Fe): max. 0,001 %
manganese (Mn): max. 1 ppm
sodium (Na): max. 0,03 %
loss on drying (110 ºC): max. 0,05 %