Cyclopropane
ALDRICH/295183 - ≥99%
Synonym: Trimethylene (6CI)
CAS Number: 75-19-4
Empirical Formula (Hill Notation): C3H6
Molecular Weight: 42.08
EC Number: 200-847-8
MDL Number: MFCD00001268
Linear Formula: C3H6
Product Type: Chemical
| assay | ≥99% |
| autoignition temp. | 928 °F |
| bp | −33 °C (lit.) |
| expl. lim. | 10.4 % |
| InChI | 1S/C3H6/c1-2-3-1/h1-3H2 |
| InChI key | LVZWSLJZHVFIQJ-UHFFFAOYSA |
| mp | −128 °C (lit.) |
| Quality Level | 100 ![]() |
| SMILES string | C1CC1 |
| vapor density | 1.45 (vs air) |
| Application: | Cyclopropane has been used as the pseudo-π unsaturated hydrocarbon prototype to study the rotational spectrum of its complex formed with chlorine monofluoride and the similarity of this complex with isotopomers. |
| Legal Information: | Aldrich is a registered trademark of Sigma-Aldrich Co. LLC |
| Legal Information: | Sure/Pac is a trademark of Sigma-Aldrich Co. LLC |
| Packaging: | 25 g in Sure/Pac™ |
| Packaging: | Supplied in a Sure/Pac™ cylinder and has a brass needle valve with a male 1/4" NPTF outlet thread installed. Before using the cylinder, ensure that the valve is closed, then remove the galvanized steel hex cap that seals the outlet valve. Compatible with the following:• Aldrich® Sure/Pac™ station for liquefied gases Z566446 ![]() • PTFE Sealing tape Z104388 or Z221880 ![]() • Brass hose adapter Z146811 ![]() • Aldrich® mini gas regulator Z513539 ![]() |
| Symbol | ![]() GHS02,GHS04 |
| Signal word | Danger |
| Hazard statements | H220 - H280 |
| Precautionary statements | P210 - P377 - P381 - P410 + P403 |
| Hazard Codes | F+ |
| Risk Statements | 12 |
| Safety Statements | 9-16-33 |
| RIDADR | UN1027 - class 2 - Cyclopropane |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥99% |
| bp | −33 °C (lit.) |
| mp | −128 °C (lit.) |
| UNSPSC | 12142100 |



