Diethyl ether is a colourless, extremely volatile liquid with a characteristic smell. It is not an ideal anaesthetic, though it's safer than chloroform and more effective than nitrous oxide. Unwanted effects of exposure to ether can include a cough, sore throat, painful red eyes, a headache, drowsiness, laboured breathing and nausea. Vomiting is quite common. But some people like its sub-anaesthetic effects on consciousness; it has "abuse potential".
Ether is highly flammmable. Its vapour is heavier than air, so ether fumes may travel along the ground, creating the conditions for distant ignition. Under the influence of light and air, ether can form explosive peroxides. It attacks plastic and rubber. Ether reacts explosively with halogens, sulphur compounds and oxidants. Thus it poses a serious fire risk.
Ether has an extremely low blood/gas partition coefficient. Thus the induction of anaesthesia is slow when ether is used as the sole anaesthetising agent prior to surgery. Anaesthesiologists now rarely use this agent in America and Europe; but its cheapness and simplicity of administration ensure its survival in third world countries. Read More: diethyl ether for sale
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