Isobutyl formate

Isobutyl formate (2-methylpropyl methanoate) is an organic ester with the chemical formula C5H10O2. It is formed by the Fischer esterification of isobutanol with formic acid, with the aid of an acid catalyst. It is used as a flavor and fragrance ingredient because of its odor which is sweet, ethereal, and slightly fruity.[2][3]

Isobutyl formate[1]
Ball and stick model of isobutyl formate
Names
Preferred IUPAC name
2-Methylpropyl formate
Other names
Isobutyl formate
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
ECHA InfoCard 100.008.017
EC Number
  • 208-818-1
UNII
  • InChI=1S/C5H10O2/c1-5(2)3-7-4-6/h4-5H,3H2,1-2H3 checkY
    Key: AVMSWPWPYJVYKY-UHFFFAOYSA-N checkY
  • O=COCC(C)C
Properties
C5H10O2
Molar mass 102.133 g·mol−1
Density 0.885 g/mL
Melting point −96 °C (−141 °F; 177 K)
Boiling point 98.4 °C (209.1 °F; 371.5 K)
Hazards
GHS labelling:
GHS02: FlammableGHS07: Exclamation mark
Danger
H225, H319, H335
P210, P233, P240, P241, P242, P243, P261, P264, P271, P280, P303+P361+P353, P304+P340, P305+P351+P338, P312, P337+P313, P370+P378, P403+P233, P403+P235, P405, P501
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).
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Infobox references

References
  1. Isobutyl formate at Sigma-Aldrich
  2. Isobutyl formate, The Good Scents Company
  3. Mosciano, Gerard; Sadural, S; Fasano, M; Michalski, J (1989). "Les propriétés organoleptiques des substances aromatisantes" [Organoleptic characteristics of flavor materials]. Perfumer & Flavorist. 14 (6): 47–55.


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