(±)-Propylene oxide
ALDRICH/110205 - ReagentPlus®, ≥99%
Synonym: (±)-Methyloxirane; 1,2-Epoxypropane
CAS Number: 75-56-9
Empirical Formula (Hill Notation): C3H6O
Molecular Weight: 58.08
EC Number: 200-879-2
MDL Number: MFCD00005126
Linear Formula: C3H6O
Product Type: Chemical
| assay | ≥99% |
| autoignition temp. | 1378 °F |
| bp | 34 °C (lit.) |
| density | 0.83 g/mL at 25 °C (lit.) |
| expl. lim. | 37 % |
| InChI | 1S/C3H6O/c1-3-2-4-3/h3H,2 |
| InChI key | GOOHAUXETOMSMM-UHFFFAOYSA |
| mp | −112 °C (lit.) |
| product line | ReagentPlus® |
| Quality Level | 200 ![]() |
| refractive index | n |
| shipped in | wet ice |
| SMILES string | CC1CO1 |
| storage temp. | 2-8°C |
| vapor density | 2 (vs air) |
| vapor pressure | 29.43 psi ( 55 °C) |
| 8.59 psi ( 20 °C) |
| Application: | Used in the production of polyether polyols, propylene glycols, propylene glycol ethers.Used as an intermediate to produce ammonium type complex to remove thin films of petroleum from water surfaces. |
| General description: | (±)-Propylene oxide is an organic compound used as an intermediate in several chemical reactions. It readily reacts with active hydrogen atoms. |
| Legal Information: | ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany |
| Other Notes: | The article number 110205-4X1L will be discontinued. Please order the single bottle 110205-1L which is physically identical with the same exact specifications. |
| Packaging: | 1 L in Sure/Seal™ |
| Packaging: | 100, 500 mL in Sure/Seal™ |
| Packaging: | 18 L in Kilo-Lab™ |
| Packaging: | View returnable container options . |
| Symbol | ![]() ![]() GHS02,GHS06,GHS08 |
| Signal word | Danger |
| Hazard statements | H224 - H302 - H311 + H331 - H319 - H335 - H340 - H350 |
| Precautionary statements | P210 - P233 - P280 - P303 + P361 + P353 - P308 + P313 - P403 + P233 |
| Hazard Codes | F+,T |
| Risk Statements | 45-46-12-20/21/22-36/37/38 |
| Safety Statements | 53-45 |
| RIDADR | UN1280 - class 3 - PG 1 - Propylene oxide |
| WGK Germany | WGK 3 |
| Flash Point(F) | -36.4 °F - Equilibrium meth |
| Flash Point(C) | -38 °C - Equilibrium method |
| Purity | ≥99% |
| bp | 34 °C (lit.) |
| mp | −112 °C (lit.) |
| Density | 0.83 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| Storage Temp. | 2-8°C |
| UNSPSC | 12162002 |




