Isobutyl formate (2-methylpropyl methanoate) is an organic ester with the chemical formula C5H10O2. It is formed by diluting isobutanol with formic acid; sulfuric acid can serve as a catalyst. It is used as a flavor and fragrance ingredient because of its odor which is sweet, ethereal, and slightly fruity.
|Preferred IUPAC name
3D model (JSmol)
CompTox Dashboard (EPA)
|Molar mass||102.133 g·mol−1|
|Melting point||−96 °C (−141 °F; 177 K)|
|Boiling point||98.4 °C (209.1 °F; 371.5 K)|
|R-phrases (outdated)||R11 R34|
|S-phrases (outdated)||S16 S26 S33 S36/37/39 S45|
|Flash point||10 °C (50 °F; 283 K)|
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
|what is ?)(|