General Characteristics
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
CSN 656481
Specification
| C2- hydrocarbons and inerts - %, max. |
7 |
7 |
| C3- hydrocarbons - %, min. |
30 |
55 |
| C4- hydrocarbons - % |
30 - 60 |
15 - 40 |
| C5- and higher hydrocarbons - %, max. |
3 |
2 |
| unsaturated hydrocarbons - %, max. |
60 |
65 |
| Hydrogen sulfide - mg.kg-1, max. |
0,2 |
0,2 |
| Sulphur content - mg.kg-1, max. |
200 |
200 |
| Evaporation residue - mg.kg-1, max. |
100 |
100 |
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.
Application
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.
Transport Sign
RID/ADR: 2/2f
UN: 1965
Kemler: 23
The product is classified as hazardous pursuant to Regulation (EC) No 1272/2008 CLP.
