Nomenclature
CAS number: 7783-09-7
H
2Te; mol wt 129.62.
H 1.56%, Te 98.44%.
Description and references
Prepd by the action of H2O or HCl
on aluminum telluride; by electrolysis of a 50% soln of sulfuric or
phosphoric acid with a Te cathode: Dennis, Anderson, J. Am. Chem. Soc. 36, 882 (1914);
Fehér in Handbook of Preparative Inorganic
Chemistry vol. 1, G. Brauer, Ed. (Academic
Press, New York, 2nd ed., 1963) pp 438-441.
Properties
Colorless gas. Offensive, garlic-like odor. Highly poisonous! mp 49°. bp 2°. dliq12 2.68. Wt of one liter of the gas: 6.234
g. Liquid H2Te is dec immediately by light. The dry gas
is stable to light, but dec in the presence of dust, traces of moisture,
rubber, cork, etc. Sol in water with fairly quick decompn. A satd
aq soln is about 0.1N.