TaCl4

ceramic
· TaCl4

Tantalum tetrachloride (TaCl4) is a transition metal halide ceramic compound derived from tantalum, a refractory metal known for exceptional corrosion resistance and high-temperature stability. While primarily used as a precursor chemical in vapor deposition processes and tantalum metal production rather than as an end-use engineering material, TaCl4 is valued in thin-film applications and specialized coating industries where its reactivity enables precise material synthesis at controlled conditions. The compound's appeal lies in its role as an intermediate in creating high-purity tantalum deposits for microelectronics, optical coatings, and extreme-environment components where the parent metal's properties are critical.

chemical vapor deposition (CVD) precursortantalum thin filmsmicroelectronics fabricationhigh-temperature coatingsresearch and development materialsrefractory metal production

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Bulk Modulus(K)
3,276.4
ksi—
Poisson's Ratio(ν)
0.2700
-—
Shear Modulus(G)
1,881.1
ksi—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
0.1581
lb/in³—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
1.101
eV—
Dielectric Constant (Relative Permittivity)(εr)
11.21
-—
Magnetic Moment(μB)
0.000
µB—
Piezoelectric Modulus(eij)
0.000
C/m²—
Seebeck Coefficient(S)
-316.9
µV/K—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.000
eV/atom—
Formation Energy(ΔHf)2 entries
-1.461
eV/atom—
↳
-1.352
eV/atom—
N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form / heat treatment / basis.
Verified Unverified Low confidence (<80%) Link to source

Regulatory Screening

Environmental

RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.