Repeated exposure may cause skin irritation and rashes as well as irritation of the eyes, nose and throat. Inhalation of high concentration can cause the heart to beat irregularly or stop. The chemical is slightly soluble in water. It is toxic by inhalation and a strong irritant to eyes and skin. It is used for boiler scale removal, a chemical intermediate, and industrial acidizing.
Hydrochloric acid is toxic by ingestion and inhalation and a strong irritant to eyes and skin.
It is one of the largest commodity chemicals in the world, used mainly as a feedstock to make other chemicals. Methanol is a flammable, dangerous fire risk, and toxic by ingestion. It is highly soluble and slightly persistent in water with a half-life of between 2 to 20 days. It is used as a solvent, degreasing and cleaning fluid, in plastic processing and paint removers. A narcotic, it could cause unconsciousness and even death if inhaled in high concentrations.