Propionic acid is a simple, saturated short-chain fatty acid. Basically, it has a three-carbon chain with a carboxylic acid group at one end. That straightforward structure gives it some pretty interesting properties-like being highly soluble in water and having a relatively low boiling point. Because of these features, it's actually pretty useful in a bunch of industrial applications.
High Purity CAS 79-09-4 Propionic Acid Formula
Molecular Formula: C₃H₆O₂
Condensed Formula: CH₃CH₂COOH
Molecular Weight: Approximately 74.08 g/mol (exact value: 74.0785 g/mol)
High Purity CAS 79-09-4 Propionic Acid Structure
CAS 79-09-4 Propionic Acid is a short-chain carboxylic acid, which means it contains a carboxyl group (-COOH).
The carbon in the carboxyl group is connected to another carbon, and that carbon is linked to a methyl group (CH₃).
You can picture its structure like this:
A central carbon atom is double-bonded to one oxygen and single-bonded to a hydroxyl group (-OH).
This carboxyl carbon is also connected to the second carbon (CH₂) of the ethyl group (CH₃CH₂-).
High Purity Propionic Acid's simple structure makes it easy to react with other substances, suitable for various industrial uses.
Typical Specifications
| Appearance: | Colorless to slightly yellow liquid |
| Odor: | Pungent, sour |
| Melting Point, °C: | -20 |
| Boiling Point, °C: | 141 |
| Density, g/cm³ (at 20°C): | 0.993 |
| Flash Point, °C: | 105 (closed cup) |
| Refractive Index (20°C): | 1.385 |
| Solubility: | Miscible with water and most organic solvents |
| pH (1% solution): | ~2.5 |
| Purity, %: | ≥99.0 |
| Grades Available: | Glacial, Technical, Food Grade (FCC) |
| Packaging: | 25kg drums, 200kg drums, 1000kg IBC, bulk |
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Gneebio is a professional chemical raw materials supplier located in Henan Province, China. We have passed quality system certification and have self-managed import and export rights. Our products are popular with customers. As a leading global supplier, we deliver certified chemical raw materials that comply with REACH, RoHS, ISO and other international standards. Our robust monthly production capacity ensures consistent quality and a reliable supply for bulk orders.
