Ammonia Gas
Ammonia is commonly used in commercial and industrial settings and is an important ingredient in certain food products, pharmaceuticals, and fertilizers. It is also a common solvent, refrigerant, and cleaning product. In its concentrated form, ammonia is a gas and is classified as an extremely hazardous substance. As it is both common and potentially dangerous, ammonia gas requires care in handling as well as specialized instruments to identify leaks or dangerous concentrations.