Name: Hydrogen Sulfide

Formula: H2S

Chemical Safety: Flammable, Acute Toxic, Environmental Hazard

Molar Mass: 34.08 g/mol

Flash Point: -

Lower Explosive Limit(LEL): 4%VOL

Upper Explosive Limit(UEL:  45,5%VOL

TWA: 10ppm

STEL: 15ppm

General Description: A colorless gas having a strong odor of rotten eggs. Boiling point -60.2°C. Shipped as a liquid confined under its own vapor pressure. Density (liquid) 8.3 lb / gal. Contact with the unconfined liquid can cause frostbite by evaporative cooling. Gas is very toxic by inhalation. Fatigues the sense of smell which cannot be counted on to warn of the continued presence of the gas. Prolonged exposure of closed containers to heat may result in their violent rupturing and rocketing.