Summary of risk:
Health hazards: irritation to skin, eyes and respiratory tract. Inhalation, inhalation or transdermal absorption are harmful. Burning and Explosion Danger: Flammable liquids and vapors.
IV. Emergency measures:
Skin contact: Rinse skin with water for at least 15-20 minutes while removing contaminated clothing and safety shoes. If irritation or any other symptoms occur, seek medical treatment.
Eye Contact: Rinse eyes immediately with plenty of water for at least 15-20 minutes. Need medical treatment.
Inhalation: Move the victim into fresh air. If breathing stops, artificial respiration should be given. If breathing is difficult, oxygen therapy is given by qualified personnel. Immediate medical treatment is required.
Intake: If you are still conscious, rinse your mouth with water. Patients can dilute gastric juice by drinking water or milk. Seek medical treatment.
Chemical production reagent
NMP has been widely used in large-scale recovery of hydrocarbon solvent purification.
This technology takes advantage of the high solubility of hydrogen carbide in NMP, but in fact the difference is that the presence of NMP tends to increase volatility significantly. Compared with other chemical solvent extraction, NMP has the following advantages. There is no azeotropic mixture formed with hydrocarbons, and the heating of N-methyl pyrrolidone is very stable.
NMP is easy to mix with water in any proportion. This allows processing to be adjusted as needed and dissolves dissolved hydrocarbons to form solvents. NMP has a relatively high boiling point at low pressure and maintains a minimum loss during industrial scale separation. Low viscosity at the actual representative temperature is more conducive to the exchange of substances.