Propionic acid
ALDRICH/W292419 - natural, 99%, FG
Synonym: Acid C3; Propanoic acid; Propanyl acid
CAS Number: 79-09-4
Empirical Formula (Hill Notation): C3H6O2
Molecular Weight: 74.08
EC Number: 201-176-3
MDL Number: MFCD00002756
Linear Formula: CH3CH2COOH
Product Type: Chemical
12 Principles of Green Chemistry: Principle 3—Less Hazardous Chemical Syntheses. This product manufacturing process was designed with lesser toxicity to human health and the environment.
12 Principles of Green Chemistry: Principle 7—A raw material or feedstock should be renewable rather than depleting whenever technically and economically practicable.
| agency | follows IFRA guidelines |
| application(s) | flavors and fragrances |
| assay | 99% |
| autoignition temp. | 955 °F |
| bp | 141 °C (lit.) |
| density | 0.993 g/mL at 25 °C (lit.) |
| documentation | see Safety & Documentation for available documents |
| expl. lim. | 12.1 % |
| food allergen | no known allergens |
| fragrance allergen | no known allergens |
| grade | FG |
| Fragrance grade | |
| Halal | |
| Kosher | |
| natural | |
| greener alternative category | Aligned  , |
| greener alternative product characteristics | Less Hazardous Chemical Syntheses Use of Renewable Feedstocks Learn more about the Principles of Green Chemistry . |
| InChI | 1S/C3H6O2/c1-2-3(4)5/h2H2 |
| InChI key | XBDQKXXYIPTUBI-UHFFFAOYSA |
| mp | −24-−23 °C (lit.) |
| organoleptic | dairy; acidic; pungent |
| Quality Level | 400 |
| refractive index | n |
| reg. compliance | EU Regulation 1223/2009 |
| EU Regulation 1334/2008 & 178/2002 | |
| FDA 21 CFR 178.1010 | |
| SMILES string | CCC(O)=O |
| solubility | H2O: soluble |
| soluble | |
| sustainability | Greener Alternative Product |
| vapor density | 2.55 (vs air) |
| vapor pressure | 2.4 mmHg ( 20 °C) |
| General description: | Propionic acid (PA) is a naturally occurring carboxylic acid, which is an excellent raw material as it is stable, cheap, and safe and can even be used as a food additive. |
| General description: | Propionic acid is a volatile fatty acid (VFA) formed in the rumen of ruminants by bacterial fermentations. |
| General description: | We are committed to bringing you Greener Alternative Products, which adhere to one of the four categories of Greener Alternatives . This product is a Biobased products, showing key improvements in Green Chemistry Principles “Less Hazardous Chemical Syntheses” and “Use of Renewable Feedstock”. |
| Packaging: | 1 drum in poly drum |
| Packaging: | 1 kg in glass bottle |
| Packaging: | 100 g in glass bottle |
| Packaging: | 5 kg in poly drum |
| Symbol |    GHS02,GHS05,GHS07 |
| Signal word | Danger |
| Hazard statements | H226 - H314 - H335 |
| Precautionary statements | P210 - P233 - P240 - P280 - P303 + P361 + P353 - P305 + P351 + P338 |
| Hazard Codes | C |
| Risk Statements | 10-34-37 |
| Safety Statements | 23-36-45 |
| RIDADR | UN3463 - class 3 - Propionic acid |
| WGK Germany | WGK 1 |
| Flash Point(F) | 129.2 °F - closed cup |
| Flash Point(C) | 54 °C - closed cup |
| Purity | 99% |
| bp | 141 °C (lit.) |
| mp | −24-−23 °C (lit.) |
| Density | 0.993 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| FEMA Number | 2924 |
| UNSPSC | 12164502 |