12007-09-9

Name TUNGSTEN BORIDE
CAS 12007-09-9
EINECS(EC#) 234-498-8
Molecular Formula BW
MDL Number MFCD00049708
Molecular Weight 194.65
MOL File 12007-09-9.mol
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Chemical Properties

Appearance Silvery solid. Insoluble inwater; soluble in aqua regia and concentrated acids; decomposed by chlorine at 100C.
Melting point  2665°C
density  15.200
solubility  insoluble in H2O
form  Powder
color  black refractory powder
Resistivity 4.1 (ρ/μΩ.cm)
Water Solubility  Soluble in water
Thermal Conductivity 4.602 W/(m·K)
Crystal Structure Tetragonal
Exposure limits ACGIH: TWA 3 mg/m3
NIOSH: TWA 5 mg/m3; STEL 10 mg/m3
InChI InChI=1S/B.W
InChIKey JEEHQNXCPARQJS-UHFFFAOYSA-N
SMILES B#[W]
Uses
Refractory.
CAS DataBase Reference 12007-09-9(CAS DataBase Reference)
EPA Substance Registry System Tungsten boride (WB) (12007-09-9)

Safety Data

Safety Statements 
S22:Do not breathe dust .
S24/25:Avoid contact with skin and eyes .
WGK Germany  3
F  10
TSCA  Yes

Hazard Information

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