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Manganese Dioxide CAS 1313-13-9

Manganese Dioxide is a black or brown solid, the most stable oxide of manganese, often found in soft manganese ores and manganese nodules. Chondrites are the main minerals containing manganese; manganese nodules (seafloor rock concretions) also contain manganese.
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  • 1313-13-9

Manganese   dioxide Basic information
Product   Name: Manganese   dioxide
CAS: 1313-13-9
MF: MnO2
MW: 86.94
EINECS: 215-202-6
Mol   File: 1313-13-9.mol
Manganese   dioxide Chemical Properties
Melting   point 535 °C (dec.) (lit.)
density 5.02
bulk   density 600-800kg/m3
vapor   pressure 0-0Pa at 25℃
storage   temp. Store below +30°C.
solubility <0.001g/l insoluble
form powder
color gray
Specific   Gravity 5.026
Water   Solubility insoluble
Crystal   Structure Rutile type
crystal   system square
Merck 145,730
Space   group P42/mnm
Lattice   constant a/nm b/nm c/nm α/o β/o γ/o V/nm3
0.4398 0.4398 0.2873 90 90 90 0.0556
Exposure   limits ACGIH: TWA 0.02 mg/m3;   TWA 0.1 mg/m3
OSHA:   Ceiling 5 mg/m3
NIOSH:   IDLH 500 mg/m3; TWA 1 mg/m3; STEL 3 mg/m3
Stability: Stable. Incompatible   with strong acids, strong reducing agents, organic materials.
InChIKey NUJOXMJBOLGQSY-UHFFFAOYSA-N
CAS   DataBase Reference 1313-13-9(CAS DataBase Reference)
NIST   Chemistry Reference manganese(IV) dioxide(1313-13-9)
EPA   Substance Registry System Manganese dioxide (1313-13-9)

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