Nitrous Oxide - MCI
Nitrous Oxide - MCI
Nitrous Oxide - MCI
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The History of <strong>Nitrous</strong> <strong>Oxide</strong><br />
• First synthesized Joseph Priestley in 1772<br />
• Psychotropic effects in 1799 –recreational use<br />
• Advertisement in 1844 “Those who inhale the gas once, are<br />
always anxious to inhale the second time….No language can<br />
describe the delightful sensation produced” seen by dentist<br />
Horace Wells –used as dental analgesia<br />
• In use as anaesthetic since (160 years!)…while others have<br />
disappeared (ether, chloroform etc)
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