n-Valeraldehyde
Title: n-Valeraldehyde
CAS Registry Number: 110-62-3
CAS Name: Pentanal
Additional Names: valeral; valeric aldehyde
Molecular Formula: C5H10O
Molecular Weight: 86.13
Percent Composition: C 69.72%, H 11.70%, O 18.58%
Line Formula: CH3(CH2)3CHO
Literature 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).
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).
Boiling point: bp 102-103°
Index of refraction: nD20 1.3944
Density: d420 0.8095
Toxicity data: 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.

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