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12069-85-1

Name HAFNIUM CARBIDE
CAS 12069-85-1
EINECS(EC#) 235-114-1
Molecular Formula CHf
MDL Number MFCD00016126
Molecular Weight 190.5
MOL File 12069-85-1.mol

Chemical Properties

Melting point  2930 °C(lit.)
density  12.2 g/mL at 25 °C(lit.)
RTECS  MG4620000
form  Powder
color  Gray
Resistivity 45.0 (ρ/μΩ.cm)
Water Solubility  it is insoluble in water.
Crystal Structure Cubic, NaCl Structure
Exposure limits ACGIH: TWA 0.5 mg/m3
NIOSH: IDLH 50 mg/m3; TWA 0.5 mg/m3
InChIKey NVDNLVYQHRUYJA-UHFFFAOYSA-N
Uses
Hafnium carbide (HfC) with a melting point over 3890°C is a refractory binary compound. HfC and NbC can also be used as refractory coatings in nuclear reactors. The mixed carbide Ta4HfC5 possesses the highest melting point of any currently known compound at 4215°C.
CAS DataBase Reference 12069-85-1
EPA Substance Registry System Hafnium carbide (HfC) (12069-85-1)

Safety Data

RIDADR  UN3178
WGK Germany  3
TSCA  Yes
HazardClass  4.1
PackingGroup  III

Hazard Information

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