CAS Number: 107‑92‑6
Synonyms: n‑Butyric acid; Butanoic acid; Propylformic acid; Ethylacetic acid
Chemical Formula:C₄H₈O₂
Molecular Weight:88.11 g/mol
Product Introduction
A colorless, oily liquid with a strong rancid butter-like odor, n‑butyric acid is a short-chain carboxylic acid naturally found in butter and produced via fermentation. Used in flavors (esters), disinfectants, pharmaceuticals, plasticizers, and animal feed supplements.
| Property | Value |
|---|---|
| Appearance | Colorless oily liquid |
| Odor | Rancid, strong butter-like smell |
| Density @ 25 °C | ~0.964 g/mL |
| Melting Point | –6 to –5 °C |
| Boiling Point | ~162–165 °C |
| Flash Point | ~69 °C |
| Vapor Pressure @ 20 °C | ~0.43 mm Hg (0.57 hPa) |
| Refractive Index (n₂₀ᴅ) | ~1.398 |
| Solubility in Water | Miscible |
| Vapor Density | ~3.04 × air |
| pKₐ | 4.82 |
| Log P | ~0.79 |
Daivat Lifesciences Pvt. Ltd. A-301, Kailash Tower, Behind STC Society N.S. Phadke Marg, Andheri (East), Mumbai - 400069, India
B-1701, Lotus Corporate Park Off Western Express Highway Near Jai Coach Signal, Goregaon (East)
Copyright © 2026 All Rights Reserved By Daivat Lifesciences | Design and Developed By Arsh Infosystems
