Hydrogen chloride - Wikipedia, the free encyclopedia
1300 ppm (human, 30 min) 4416 ppm (rabbit, 30 min) 4416 ppm (guinea pig, 30 min) 3000 ppm (human, 5 min) [6] US health exposure limits (NIOSH): ... The compound hydrogen chloride has the chemical formula H Cl. At room temperature, it is a colorless gas, w...