Propionic Acid
Propionic Acid
- 79-09-4
- C3H6O2
- 99%MIN
Propionic acid (from the Greek words protos, meaning "first", and pion, meaning "fat"; also known as propanoic acid) is a naturally occurring carboxylic acid with chemical formula CH3CH2COOH. It is a clear liquid with a pungent and unpleasant smell somewhat resembling body odor. The anion CH3CH2COO− as well as the salts and esters of propionic acid are known as propionates (or propanoates).
Description
Propionic acid (from the Greek words protos, meaning "first", and pion, meaning "fat"; also known as propanoic acid) is a naturally occurring carboxylic acid with chemical formula CH3CH2COOH. It is a clear liquid with a pungent and unpleasant smell somewhat resembling body odor. The anion CH3CH2COO− as well as the salts and esters of propionic acid are known as propionates (or propanoates).
Basic Info
| Chemical Name | propionic acid |
|---|---|
| Synonyms | Propanoic acid;Propionic acid; |
| CAS No. | 79-09-4 |
| Molecular Formula | C3H6O2 |
| Molecular Weight | 74.07850 |
| PSA | 37.30000 |
| LogP | 0.48100 |
Properties
| Appearance & Physical State | Clear, colorless liquid |
|---|---|
| Density | 0.9934 |
| Boiling Point | 141ºC |
| Melting Point | -22ºC |
| Flash Point | 51ºC |
| Refractive Index | 1.385-1.387 |
| Water Solubility | 37 g/100 mL |
| Stability | Stable. Incompatible with strong oxidizing agents. Flammable. |
| Storage Condition | 0-6ºC |
| Vapor Density | 2.55 (vs air) |
| Vapor Pressure | 2.4 mm Hg ( 20 °C) |
Safety Info
| RTECS | UE5950000 |
|---|---|
| Hazard Class | 8 |
| Safety Statements | S23-S36-S45 |
| HS Code | 2915501000 |
| Packing Group | II |
| WGK Germany | 1 |
| RIDADR | UN 3463 8/PG 2 |
| Risk Statements | R34 |
| Hazard Codes | C |
| Symbol | GHS02, GHS05, GHS07 |
| Hazard Declaration | H226; H314; H335 |
| Signal Word | Danger |
| Caution Statement | P210; P280; P303 + P361 + P353; P304 + P340 + P310; P305 + P351 + P338; P403 + P235 |
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