Iridium dioxide Structure

Iridium dioxide

Chemical Properties

Melting point 1100°C (dec.)
Density  11,7 g/cm3
storage temp.  under inert gas (nitrogen or Argon) at 2-8°C
form  Powder
Specific Gravity 11.66
color  Black
Water Solubility  INSOLUBLE
Specific Heat Capacity Cp(crystal): 0.26 J/(g·K), at 25℃
Crystal Structure Rutile type
crystal system square
Space group P42/mnm
Lattice constant
a/nmb/nmc/nmα/oβ/oγ/oV/nm3
0.450510.450510.315869090900.0641
Major Application battery manufacturing
InChI InChI=1S/Ir.2O
InChIKey HTXDPTMKBJXEOW-UHFFFAOYSA-N
SMILES [Ir](=O)=O
CAS DataBase Reference 12030-49-8(CAS DataBase Reference)
FDA UNII CL6CQW9MWS
NIST Chemistry Reference Iridium dioxide(12030-49-8)
EPA Substance Registry System Iridium oxide (IrO2) (12030-49-8)
UNSPSC Code 12352303
NACRES NA.23
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Safety

Symbol(GHS) Flame Over Circle (GHS03)
Signal wordDanger
Hazard statements H272-H413
Precautionary statements P210a-P220-P221-P280a-P370+P378a-P501a
Hazard Codes  O;Xi,Xi,O
Risk Statements  36/38-8
Safety Statements  17-26-37/39
WGK Germany  3
TSCA  TSCA listed
HazardClass  5.1
HS Code  28259085
Storage Class 11 - Combustible Solids
NFPA 704:
0
2 0
OX

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