butane

(redirected from E943a)
Also found in: Dictionary, Thesaurus, Encyclopedia.
Related to E943a: E943b, E944, E555

butane

 [bu´tān]
an aliphatic hydrocarbon, C4H10, from petroleum; used in pharmacy as an aerosol propellant.

bu·tane

(byū'tān),
C4H10; a gaseous hydrocarbon present in natural gas; two isomers are known, both of which are anesthetically active: N-butane is CH3(CH2)2CH3 and isobutane is CH3CH(CH3)CH3 (or 2-methylpropane).

butane

/bu·tane/ (bu´tān) an aliphatic hydrocarbon from petroleum, occurring as a colorless flammable gas; used in pharmacy as an aerosol propellant.

butane (C4H10)

a colorless petroleum-based gas. It is the fourth member of the paraffin series of hydrocarbons.

butane

A linear (unbranched) alkane hydrocarbon which is a flammable gas at room temperature (boiling point, 0ºC/30–34ºF).
 
Uses
Lighter fluid, refrigerant.

Adverse effects
Euphoria, drowsiness, narcosis, arrhythmias, memory loss, frostbite, death due to asphyxiation and ventricular fibrillation.

bu·tane

(byū'tān)
A gaseous hydrocarbon present in natural gas.

butane

an aliphatic hydrocarbon, C4H10, from petroleum.