5229. Isovaleraldehyde

Nomenclature

CAS number: 590-86-3
3-Methylbutanal; isopentanal; isovaleral; isovaleric aldehyde.
C5H10O; mol wt 86.13.
C 69.72%, H 11.70%, O 18.58%.

Description and references

Occurs in orange, lemon, peppermint, eucalyptus and other oils. Made by oxidation of isoamyl alcohol with Na2Cr2O7 and H2SO4.

Chemical structure

Properties

Colorless liquid; pungent apple-like odor. d2020 0.785. mp 51°. bp 92-93°. nD20 1.3902. Sparingly sol in water; miscible with alcohol, ether.

Use

In artificial flavors and perfumes.