Butyl formate
Pharmaceutical Materials 2025-03-02
CAS Number: 592-84-7
Molecular Formula: C5H10O2
Molecular Weight: 102.13
Appearance: Colorless to slightly yellow liquid
Melting Point: -90 to -91°C
Boiling Point: 106.8 to 107.8°C
Odor: Fruit-like aroma
Usage: Commonly used as a flavoring agent and fragrance in various products.
| Attribute | Details |
|---|---|
| Chemical Name | Butyl formate |
| Synonyms | Formic acid butyl ester, Butyl methanoate |
| CAS Number | 589-40-2 (or 592-84-7 for specific isomers like n-butyl formate) |
| Molecular Formula | C5H10O2 |
| Molecular Weight | 102.13 g/mol |
| Chemical Structure | <img src=”https://chem.libretexts.org/@api/deki/files/35534/image_thumb_inline_13742_100px.png” /> (Image placeholder, actual structure may vary slightly depending on isomer) |
| Appearance | Colorless to pale yellow liquid with a fruity odor |
| Density | Approximately 0.9 g/cm³ at 20°C |
| Boiling Point | Around 128°C (specific values may vary for different isomers) |
| Flash Point | Lower than 23°C |
| Solubility | Soluble in organic solvents such as ethanol, ether, and benzene; slightly soluble in water |
| Refractive Index | Approximately 1.39 at 20°C |
| Chemical Properties | Ester with a characteristic fruity odor; undergoes hydrolysis to form formic acid and butanol; reacts with amines to form amides; stable under normal conditions but may be flammable |
| Applications | Used as a solvent, fragrance, and flavoring agent in foods, beverages, cosmetics, and perfumes; also used in the production of paints, coatings, and plastics; as a reactant in organic synthesis |
| Safety Information | May be harmful if swallowed or inhaled. May cause skin and eye irritation. Keep away from heat, sparks, and open flames. Store in a cool, dry place, away from incompatible materials. Wear appropriate protective clothing, gloves, and eye/face protection when handling. |
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