9902. n-Valeraldehyde

Nomenclature

CAS number: 110-62-3
Pentanal; valeral; valeric aldehyde.
C5H10O; mol wt 86.13.
C 69.72%, H 11.70%, O 18.58%.

Description and references

Prepn: Lieben, Rossi, Ann. 159, 70 (1871); Olsen, US 2548171 (1951 to GAF); Sisti et al., J. Org. Chem. 27, 279 (1962). Toxicity study: H. F. Smyth et al., Am. Ind. Hyg. Assoc. J. 30, 470 (1969).

Chemical structure

Properties

Liquid, bp 102-103°. d420 0.8095. nD20 1.3944. Very slightly sol in water; miscible with many organic solvents. LD50 orally in rats: 5.66 ml/kg (Smyth).

Caution

Potential symptoms of overexposure are irritation of eyes, skin, nose, throat. See NIOSH Pocket Guide to Chemical Hazards (DHHS/NIOSH 97-140, 1997) p 326.

Use

In flavoring compds, resin chemistry, rubber accelerators.