Course Name: H2s Hazards

Course Duration: 3 hours



Hydrogen sulfide is the chemical compound with the formula H2S. It is a colorless gas with the characteristic foul odor of rotten eggs. It is very poisonous, corrosive, and flammable. Hydrogen sulfide often results from the microbial breakdown oforganic matter in the absence of oxygen gas, such as in swamps and sewers; this process is commonly known as anaerobic digestion. H2S also occurs in volcanic gases, natural gas, and in some sources of well water. The human body produces small amounts of H2S and uses it as a signaling molecule.

Formula: H2S

Molar mass: 34.0809 g/mol

Boiling point: -60 °C

Density: 1.36 kg/m³

Melting point: -82 °C

Soluble inWater

Classification: Sulfide, Sulfur compounds


Course Topics:


  • What’s H2s
  • Exposure to H2s
  • Exposure to H2s on drilling site
  • Effects of H2s
  • H2s Special precautions
  • Hazard area of H2s
  • Employee H2s instruction


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