Methyl propionate
ALDRICH/109258 - 99%
Synonym: Methyl propanoate; Propionic acid methyl ester
CAS Number: 554-12-1
Empirical Formula (Hill Notation): C4H8O2
Molecular Weight: 88.11
EC Number: 209-060-4
MDL Number: MFCD00009306
Linear Formula: CH3CH2COOCH3
Product Type: Chemical
| assay | 99% |
| autoignition temp. | 876 °F |
| bp | 79 °C (lit.) |
| density | 0.915 g/mL at 25 °C (lit.) |
| expl. lim. | 13 % |
| functional group | ester |
| InChI | 1S/C4H8O2/c1-3-4(5)6-2/h3 |
| InChI key | RJUFJBKOKNCXHH-UHFFFAOYSA |
| mp | −88 °C (lit.) |
| Quality Level | 100 ![]() |
| refractive index | n |
| SMILES string | CCC(=O)OC |
| solubility | alcohol: miscible |
| diethyl ether: miscible | |
| H2O: soluble 16 parts | |
| vapor density | 3 (vs air) |
| vapor pressure | 40 mmHg ( 11 °C) |
| 85.3 mmHg ( 25 °C) |
| General description: | Methyl propionate is an efficient solvent for Porcine Pancreatic Lipase (PPL)-catalyzed transesterification reaction of various diols. It is commonly used in organic synthesis. It undergoes vapour-phase aldol condensation with formaldehyde to form methyl methacrylate. |
| Packaging: | 100, 500 mL in glass bottle |
| Symbol | ![]() ![]() GHS02,GHS05,GHS07 |
| Signal word | Danger |
| Hazard statements | H225 - H318 - H332 |
| Precautionary statements | P210 - P233 - P240 - P280 - P304 + P340 + P312 - P305 + P351 + P338 |
| Hazard Codes | F,Xn |
| Risk Statements | 11-20 |
| Safety Statements | 16-24-29-33 |
| RIDADR | UN1248 - class 3 - PG 2 - Methyl propionate |
| WGK Germany | WGK 1 |
| Flash Point(F) | 28.4 °F - closed cup |
| Flash Point(C) | -2 °C - closed cup |
| Purity | 99% |
| bp | 79 °C (lit.) |
| mp | −88 °C (lit.) |
| Density | 0.915 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| UNSPSC | 12352100 |




