Hydrogen sulfideHydrogen sulfide (preferred IUPAC name and American English) or hydrogen sulphide (Commonwealth English) is a chemical compound with the formula H2S. It is a colorless, toxic, and flammable hydrogen chalcogenide gas. Read from the Chembox of the Wikipedia article Hydrogen sulfide, revision 1379984989.

Property

Value

Formula

H2S, 34.08 g/mol

Melting point

-85.5 °C

Boiling point

-59.55 °C

Density

1 g/cm³

Flash point

-82.4 °C

pKa

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