Propane-butane is a mixture of liquefied hydrocarbons, mostly with three to four carbons in the molecule. Liquid propane-butane is a colourless liquid, easy to evaporate, and of specific odour.
Basic Quality Parameters
|C2- hydrocarbons and inerts - %, max.
|C3- hydrocarbons - %, min.
|C4- hydrocarbons - %
||30 - 60
||15 - 40|
|C5- and higher hydrocarbons - %, max.
|unsaturated hydrocarbons - %, max.
|Hydrogen sulfide - mg.kg-1, max.
|Sulphur content - mg.kg-1, max.
|Evaporation residue - mg.kg-1, max.
C5-hydrocarbons and higher may partially or totally be replaced by C4-hydrocarbons, while sum of C4 + C5 and higher hydrocarbon content shall not exceed 63% on summer type and 42% on winter type.
Propane-butane is used as fuel gas in households, chemical laboratories, industries, etc.
Packaging, Storage, Transportation
Propane-butane is supplied under pressure in rail tankers and road tankers. Propane-butane storage, transportation and handling must comply with legal regulations.
The product is classified as hazardous pursuant to Regulation (EC) No 1272/2008 CLP.