Hydrogen sulfide (also known as H2S, sewer gas, swamp gas, stink damp, and sour damp) is a colorless gas known for its pungent "rotten egg" odor at low ...

Above 30 ppm, odor described as sweet or sickeningly sweet. 2-5. Prolonged exposure may cause nausea, tearing of the eyes, headaches or loss of sleep. Airway ...

Exposure to hydrogen sulfide may cause irritation to the eyes and respiratory system. It can also cause apnea, coma, convulsions; dizziness, headache, weakness, ...

Very high levels can cause unconsciousness and even death. ▻ Hydrogen Sulfide is a FLAMMABLE GAS and a. DANGEROUS FIRE HAZARD. Workplace Exposure Limits.

May 2, 2024 · Hydrogen sulfide is a highly flammable, colorless, and toxic gas found naturally in sewage, swamps, manure gas, hot springs, geysers, ...

Hydrogen sulfide is a colorless, flammable, highly toxic gas. It is shipped as a liquefied, compressed gas. It has a characteristic rotten-egg odor that is ...

Hence, H2S has been referred to as the “knock down gas” because inhalation of high concentrations can cause immediate loss of consciousness and death. However, ...

Contains gas under pressure; may explode if heated. Fatal if inhaled. May cause respiratory irritation. Very toxic to aquatic life. Hazard pictograms. :.