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Names | |||
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IUPAC name
hydrogen telluride
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Other names
hydrotelluric acid
tellane tellurium hydride | |||
Identifiers | |||
ECHA InfoCard | 100.029.073 | ||
PubChem CID
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CompTox Dashboard (EPA)
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Properties | |||
H2Te | |||
Molar mass | 129.6158 g mol−1 | ||
Appearance | colourless gas | ||
Density | 3.310 g/cm3, gas 2.57 g/cm3 (-20 °C, liquid) | ||
Melting point | −49 °C (224 K) ( [1] | ||
Boiling point | −2.2 °C (271.8 K)(unstable above -2 °C) | ||
0.70 g/100 mL | |||
Acidity (pKa) | 2.6 | ||
Structure | |||
bent | |||
Thermochemistry | |||
Std enthalpy of formation ΔfH |
0.7684 kJ/g | ||
Hazards | |||
Main hazards | toxic | ||
Related compounds | |||
Other anions | H2O H2S H2Se H2Po | ||
Other cations | Na2Te Ag2Te | ||
Related compounds | telluric acid tellurous acid | ||
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |||
Infobox references | |||
Hydrogen telluride, also known as hydrotelluric acid, tellane, or tellurium hydride, is a chemical compound. It is also an acid. Its chemical formula is H2Te. It contains hydrogen and telluride ions.