Health hazard: It has a strong stimulating effect on respiratory tract, eyes, skin and mucous membrane. After inhalation, it can cause death due to laryngeal and bronchial spasm and edema, chemical pneumonia, pneumonia and pulmonary edema. Contact workers often have eye pain, tears, cough, headache, nausea, vomiting, wheezing, irritability, skin itching and so on.
Toxicological data and environmental behavior
Hazard characteristics: flammable, in case of high heat, open flame or contact with oxidant, there is a danger of combustion and explosion. When heated or exposed to moisture, it will release heat and release toxic and corrosive smoke. It is corrosive.
Combustion (decomposition) products: carbon monoxide, carbon dioxide, silicon dioxide and hydrogen chloride.
3. The field emergency monitoring method:
4. Laboratory monitoring methods:
For gas chromatography, see Handbook of Analytical Chemistry (Volume IV, Chromatographic Analysis) of Chemical Industry Press.
5. Environmental standards:
6. Emergency treatment and disposal methods:
Emergency treatment of leakage:
Quickly evacuate the personnel in the leaked and polluted area to a safe area, isolate them, and strictly restrict access. Cut off the fire. It is recommended that emergency personnel wear self-contained positive pressure breathing apparatus and fire protection clothing. Don't touch the leak directly. Cut off the source of leakage as much as possible to prevent it from entering confined spaces such as sewers and main canals. Small amount of leakage: mixed with sand, dry stone or soda ash. You can also brush the emulsion made of incombustible dispersant, and dilute the emulsion and put it into the wastewater system. A large number of leaks: damming or digging holes to contain them. Cover with foam to reduce steam disaster. Use explosion-proof pump to transfer it to tank car or special collector, and recycle it or transport it to waste disposal site for treatment.