Ms. Coral Hu
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Ms. Coral Hu
Leave a message Sevoflurane is a colourless liquid, and its vapour is heavier than air and may accumulate in lower levels, causing hypoxia. Its contact with high temperature surface or flame, decomposition. Creating corrosive fumes, such as hydrogen chloride and hydrogen fluoride.
The preparation methods
A method for industrial preparation of sevoflurane, characterized by the following steps:
b. After stirring the above liquid evenly, raise the temperature to reflux and keep the reflux reaction for 3 ~ 10 hours;
c. After the above reaction, the reaction liquid is cooled to below 20°C and then filtered to collect the filtrate;
d. The filtrate was combined with the reaction residue and distilled at atmospheric pressure, and the fraction below 80°C was collected to produce the crude sevoflurane, and then the finished sevoflurane was produced by rectification.
Health hazard
Sevoflurane can be absorbed into the body by inhalation of its vapor and by ingestion.
Effects of short-term exposure
Sevoflurane irritates eyes and skin. The substance may affect the central nervous system and cardiovascular system. Exposure to high concentrations can cause unconsciousness.
Risk of inhalation
At 20 ° C, the substance evaporates very quickly to a hazardous concentration in the air.
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