الوصف
Hydrogen Sulfide, H2S Specialty Gas
Product Description
Hydrogen sulfide is an inorganic compound that is a flammable
acid gas at standard conditions and has a rotten egg smell in low
concentrations.
Hydrogen sulfide is a colorless, highly toxic, flammable gas with
a stench characteristic of rotten eggs. It is usually caused by
bacterial breakdown of organic matter in the absence of oxygen,
such as in swamps and sewers where anaerobic digestion can take
place. It is also present in volcanic gases, "natural gas" and
some well waters. Hydrogen sulfide has many names, some of which
are ancient.
Crude oil contains small amounts of hydrogen sulfide, but natural
gas can contain up to *0 percent hydrogen sulfide. About *0% of
total global H2S emissions are caused by human activities.
CAS NO ********4
UN NO ***3
EINECS NO ********3
Molecular weight *4.*8
Appearance Colorless, Rotten egg smell
Melting point **5.5 ℃
Boiling point **0.4 ℃
Density 1.*6 kg/m³
DOT Class 2.3 & 2.1
Label Toxic Gas, Flammable Gas
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