Propionaldehyde
SIAL/64409 - analytical standard
Synonym: Propanal
CAS Number: 123-38-6
Empirical Formula (Hill Notation): C3H6O
Molecular Weight: 58.08
EC Number: 204-623-0
MDL Number: MFCD00007020
Linear Formula: CH3CH2CHO
Product Type: Chemical
| application(s) | cleaning products cosmetics flavors and fragrances food and beverages personal care |
| assay | ≥98.0% (GC) |
| autoignition temp. | 404 °F |
| bp | 46-50 °C (lit.) |
| density | 0.805 g/mL at 25 °C (lit.) |
| expl. lim. | 17 %, 26 °F |
| 2.6 %, 31 °F | |
| format | neat |
| grade | analytical standard |
| InChI | 1S/C3H6O/c1-2-3-4/h3H,2H2 |
| InChI key | NBBJYMSMWIIQGU-UHFFFAOYSA |
| mp | −81 °C (lit.) |
| Quality Level | 100 ![]() |
| refractive index | n |
| n |
|
| shelf life | limited shelf life, expiry date on the label |
| SMILES string | [H]C(=O)CC |
| storage temp. | 2-8°C |
| technique(s) | gas chromatography (GC): suitable |
| HPLC: suitable | |
| vapor density | 2 (vs air) |
| vapor pressure | 18.77 psi ( 55 °C) |
| 4.89 psi ( 20 °C) |
| Application: | Propionaldehyde may be used as an analytical reference standard for the quantification of the analyte in: • Food products and cosmetics using gas-chromatography with photo ionization detection (GC-PID). • Infant formulas using gas chromatography with flame ionization detection (GC-FID). • Household products using gas chromatography coupled to mass spectrometry (GC-MS). |
| Application: | Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support. |
| General description: | Propionaldehyde is a volatile organic compound, which belongs to the class of flavor & fragrance standards for use in the food, beverage and cosmetic industry. These standards are widely used to add taste and/or smell to products without aroma, to mask unpleasant odors and to maintain stability of original flavor. |
| General description: | This substance is listed on the positive list of the EU regulation 10/2011 for plastics intended to come into contact with food. Find all available reference materials for compounds listed in 10/2011 here ![]() |
| Symbol | ![]() ![]() GHS02,GHS05,GHS07 |
| Signal word | Danger |
| Hazard statements | H225 - H302 + H332 - H315 - H318 - H335 |
| Precautionary statements | P210 - P280 - P301 + P312 - P303 + P361 + P353 - P304 + P340 + P312 - P305 + P351 + P338 |
| Hazard Codes | F,Xn |
| Risk Statements | 11-20/22-37/38-41 |
| Safety Statements | 9-16-29 |
| RIDADR | UN1275 - class 3 - PG 2 - Propionaldehyde |
| WGK Germany | WGK 1 |
| Flash Point(F) | -22.0 °F - closed cup |
| Flash Point(C) | -30 °C - closed cup |
| Purity | ≥98.0% (GC) |
| bp | 46-50 °C (lit.) |
| mp | −81 °C (lit.) |
| Density | 0.805 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| Storage Temp. | 2-8°C |
| UNSPSC | 41116107 |




