12070-06-3

Name Tantalum carbide
CAS 12070-06-3
EINECS(EC#) 235-118-3
Molecular Formula CTa
MDL Number MFCD00011255
Molecular Weight 192.96
MOL File 12070-06-3.mol
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Chemical Properties

Appearance Hard, heavy, refractory, crystalline solid. Hardness 1800 kg/sq mm, resistivity 30 μΩ?cm (room temperature). Extremely resistant to chemical action except at elevated temperature.
Melting point  3880°C
Boiling point  5500°C
density  13.9
solubility  Soluble in hydrofluoric acid and nitric acid. Partially soluble in water.
form  Powder
color  Gray to black
Resistivity 30–42.1 (ρ/μΩ.cm)
Water Solubility  Soluble in hydrofluoric acid and nitric acid. Partially soluble in water.
Thermal Conductivity 22.175 W/(m·K)
Crystal Structure Cubic, NaCl Structure
InChI InChI=1S/C.Ta/q-1;+1
InChIKey DUMHRFXBHXIRTD-UHFFFAOYSA-N
SMILES [Ta+]#[C-]
Uses
Cutting tools and dies, cemented carbide tools.
Hardness, Mohs 9 - 10
Hardness, Rockwell A 88
Modulus of Elasticity 241 - 722 GPa
Poissons Ratio 0.24
Shear Modulus 215 - 227 GPa
Vickers Microhardness 1790
EPA Substance Registry System Tantalum carbide (TaC)(12070-06-3)
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Safety Data

RIDADR  UN3178
WGK Germany  3
TSCA  Yes
REACH Registrations Active
HazardClass  4.1
PackingGroup  III
Storage Class 13 - Non Combustible Solids

Raw materials And Preparation Products

Hazard Information

Material Safety Data Sheet(MSDS)

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