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|Molar Mass:||44.013 G/mol||Solubility In Water:||1.5 G/L (15 °C)|
|Density:||1.977 G/L||Solubility:||Soluble In Alcohol, Ether, Sulfuric Acid|
Medical Nitrous Oxide Gas , Laughing Gas , N2O As A Food Additive
Hospitals administer nitrous oxide as one of the anaesthetic drugs delivered by anaesthetic machines. Nitrous oxide is a weak general anaesthetic, and so is generally not used alone in general anaesthesia. In general anaesthesia it is used as a carrier gas in a 2:1 ratio with oxygen for more powerful general anaesthetic drugs such as sevoflurane or desflurane. It has a minimum alveolar concentration of 105% and a blood/gas partition coefficient of 0.46.
The medical grade gas tanks, with the trade name Entonox and Nitronox contain a mixture with 50%, but this will normally be diluted to a lower percentage upon the operational delivery to the patient. Inhalation of nitrous oxide is frequently used to relieve pain associated with childbirth, trauma, oral surgery, and acute coronary syndrome. Its use during labour has been shown to be a safe and effective aid for birthing women. Its use for acute coronary syndrome is of unknown benefit.
In Britain and Canada, Entonox and Nitronox are commonly used by ambulance crews as a rapid and highly effective analgesic gas.
Nitrous oxide has been shown to be effective in treating a number of addictions, including alcohol withdrawal.
Nitrous oxide is also gaining interest as a substitute gas for carbon dioxide in laparoscopic surgery. It has been found to be as safe as carbon dioxide with better pain relief.
Investigational trials show potential for antidepressant applications of N2O, especially for treatment-resistant forms of depression, and it is rapid-acting.
1. Physical properties
|Hazardous class for transort||2.2|
2. Typical technical data (COA)
|Item||Pure N2O||High purity N2O|
|nitrogen||<=10 ppm||<=5 ppm|
|Oxygen and Argon||<=2 ppm||<=1 ppm|
|Total Hydrocarbons (as CH4)||<=1 ppm||<=1 ppm|
|Carbon Monoxide||<=1 ppm||<=1 ppm|
|Carbon Dioxide||<=2 ppm||<=1 ppm|
|Moisture||<=3 ppm||<=1 ppm|
|Ammonia||<=1 ppm||<=0.5 ppm|
|Nitric Oxide||<=1 ppm||<=0.5 ppm|
|Nitrogen Dioxide||<=1 ppm||<=0.5 ppm|
|40ltr||25kgs||CGA 326||According to the valve type|
|43ltr||25kgs||CGA 326||According to the valve type|
|Other sizes and standards also available|
Nitrous oxide can be used as an oxidizer in a rocket motor.
It is also used as an oxidizer in rocketry and in motor racing to increase the
power output of engines.
It is approved for use as a food additive (also known as E942), specifically as
an aerosol spray propellant.
It is used in surgery and dentistry for its anesthetic and analgesic effects.
It is known as "laughing gas" due to the euphoric effects of inhaling it, a
property that has led to its recreational use as a dissociative anesthetic.