Manganese(IV) oxide, 90%, EssentQ®

- Synonyms: Manganese dioxide, Pyrolusite, Black manganese oxide, Manganese superoxide
- MnO2
- M = 86,94 g/mol
- CAS [1313-13-9]
- EINECS-No.: 215-202-6
- Solub. in water: (20 ºC): insoluble
- Melting point: 535 ºC (decomposes)
- EC-Index-No.: 025-001-00-3
- ADR: 5.1 O2 II UN 1479
- IMDG: 5.1 II UN 1479
- IATA/ICAO: 5.1 II UN 1479
- GHS-signal word: Warning
- GHS-H sentences: H302 - H332 - H373
- GHS-P sentences: P260 - P264 - P270 - P301+P312 - P304+P340 - P501a
- Tariff number: 2820 10 00 90
- Applications: laboratory reagent, in building materials, oxidizing agent, electrolyte for batteries, manufacture of glass, painting (in porcelain industry), manufacture of dyes (in the textile industry), pigment.
- Appearance: Dark grey to black powder

SPECIFICATIONS
assay (permanganometric): approx . 90 %
insoluble in HCl : max. 0,05 %
chlorides (Cl): max. 0,05 %
sulfates (SO4): max. 0,1 %
silicium dioxide (SiO2): max. 3 %
iron (Fe): max. 1 %
loss on drying (105 ºC): max. 1 %