Hydrogen telluride

Hydrogen telluride
Structural diagram of the hydrogen telluride molecule	Space-filling model of the hydrogen telluride molecule
Names
	IUPAC name hydrogen telluride
	Other names hydrotelluric acid; tellane; tellurium hydride
Identifiers
CAS Number	7783-09-7 ;
ECHA InfoCard	100.029.073
PubChem CID	21765;
CompTox Dashboard (EPA)	DTXSID20228446 ;
Properties
Chemical formula	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) (
Boiling point	−2.2 °C (271.8 K)(unstable above -2 °C)
Solubility in water	0.70 g/100 mL
Acidity (pKa)	2.6
Structure
Molecular shape	bent
Thermochemistry
Std enthalpy of; formation ΔfHo298	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.

↑ Lide, David R., ed. (2006). CRC Handbook of Chemistry and Physics (87th ed.). Boca Raton, FL: CRC Press. ISBN 0-8493-0487-3.

[1] Lide, David R., ed. (2006). CRC Handbook of Chemistry and Physics (87th ed.). Boca Raton, FL: CRC Press. ISBN 0-8493-0487-3.

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