hazardous substance
Risky chemical compound
A hazardous substance is any material that poses a risk to health, safety, or the environment—toxic chemicals, flammable liquids, radioactive materials, corrosives.
The term appears frequently in regulations and workplace safety contexts: Workers must be trained to handle hazardous substances.
Hazardous materials (hazmat) is the more common term in emergency response.
- poisonHarmful ingested substance
- rat poisonToxic substance targeting rodents
- toxic wasteDangerous industrial refuse
- asbestosFibrous fireproofing mineral
- benzeneAromatic hydrocarbon solvent
cyanide · arsenic · strontium-90 · nuclear fallout · carcinogen · toxicity · red flag · biohazard sign · warning label · mercury · ammonium nitrate · chemical spill · dioxins · cesium-137 · botulinum toxin · sulfuric acid · MSDS · hazmat suit
hazardous substancemedicine
Curative substance or practice
nutrient · pharmaceutical · vitamin · saline solution · purified water