12034-59-2

Name NIOBIUM (IV) OXIDE
CAS 12034-59-2
EINECS(EC#) 234-809-7
Molecular Formula NbO2
MDL Number MFCD00016242
Molecular Weight 124.91
MOL File 12034-59-2.mol
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Chemical Properties

Appearance black powder
Melting point  1901°C
density  5.9 g/mL at 25 °C(lit.)
storage temp.  Store at room temperature, keep dry and cool
solubility  Insoluble in water.
form  Powder
color  white tetragonal crystals, crystalline or powder
Specific Gravity 5.9
Water Solubility  Insoluble in water.
Specific Heat Capacity Cp(crystal):0.460331J/(g·K),at 25℃
crystal system square
Space group I41/a
Lattice constant
a/nmb/nmc/nmα/oβ/oγ/oV/nm3
1.3711.3710.59859090901.125
InChI 1S/Nb.2O
InChIKey HFLAMWCKUFHSAZ-UHFFFAOYSA-N
SMILES O=[Nb]=O
CAS DataBase Reference 12034-59-2(CAS DataBase Reference)
EPA Substance Registry System Niobium oxide (NbO2) (12034-59-2)

Safety Data

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H315-H319-H335
Precautionary statements  P271-P280
Hazard Codes  Xi
Risk Statements 
R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S37/39:Wear suitable gloves and eye/face protection .
WGK Germany  3
TSCA  Yes
REACH Registrations Active
HS Code  2825908590
Storage Class 11 - Combustible Solids

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