Propane
ALDRICH/536172 - 99.5%
Synonym: n-Propane; Propane gas
CAS Number: 74-98-6
Empirical Formula (Hill Notation): C3H8
Molecular Weight: 44.10
EC Number: 200-827-9
MDL Number: MFCD00009359
Linear Formula: CH3CH2CH3
Product Type: Chemical
| assay | 99.5% |
| autoignition temp. | 842 °F |
| bp | -42.1 °C (lit.) |
| density | 0.564 g/mL at 20 °C (lit.) |
| expl. lim. | 9.5 % |
| InChI | 1S/C3H8/c1-3-2/h3H2,1-2H3 |
| InChI key | ATUOYWHBWRKTHZ-UHFFFAOYSA |
| mp | -188 °C (lit.) |
| Quality Level | 100 ![]() |
| SMILES string | CCC |
| vapor density | 1.5 (vs air) |
| vapor pressure | 190 psi ( 37.7 °C) |
| 8.42 atm ( 21.1 °C) |
| Application: | Propane can be used as: • A substrate in the study of oxidative dehydrogenation using carbon nanofiber-based catalysts and zeolite catalysts. • A component of a binary system along with CO2 to study the solubility of some fat-soluble vitamins. |
| General description: | Propane is an aliphatic hydrocarbon obtained during the oil and natural gas processing. It is generally used as a fuel in automobiles and LPG. It serves as a raw material for the modern chemical industry. |
| Legal Information: | Aldrich is a registered trademark of Sigma-Aldrich Co. LLC |
| Other Notes: | See Technical Information Bulletin AL-151 Gas Regulators: Selection, Installation, and Operation ![]() |
| Packaging: | 145 g in steel cylinder |
| Packaging: | Supplied in a carbon steel lecture bottle with a CGA180M/CGA110F needle valve installed. Compatible with the following:• Aldrich® lecture-bottle station systems • Aldrich® lecture-bottle gas regulators |
| Symbol | ![]() GHS02,GHS04 |
| Signal word | Danger |
| Hazard statements | H220 - H280 |
| Precautionary statements | P210 - P377 - P403 - P410 |
| Hazard Codes | F+ |
| Risk Statements | 12 |
| Safety Statements | 9-16 |
| RIDADR | UN 1978 2.1 |
| WGK Germany | nwg |
| Flash Point(F) | -155.2 °F - closed cup |
| Flash Point(C) | -104 °C - closed cup |
| Purity | 99.5% |
| bp | -42.1 °C (lit.) |
| mp | -188 °C (lit.) |
| Density | 0.564 g/mL at 20 °C (lit.) |
| UNSPSC | 12142100 |



