1-Heptanol
Title: 1-Heptanol
CAS Registry Number: 111-70-6
Additional Names: n-Heptyl alcohol; enanthic alcohol; 1-hydroxyheptane
Molecular Formula: C7H16O
Molecular Weight: 116.20
Percent Composition: C 72.35%, H 13.88%, O 13.77%
Line Formula: CH3(CH2)5CH2OH
Literature References: Prepd from heptaldehyde by reduction with iron filings in dil acetic acid: Clarke, Dreger, Org. Synth. 6, 52 (1926); cf. Noller, Bannerot, ibid. 14, 91 (1934); coll. vol. I (2nd ed., 1941) p 304. Other methods include the reaction between pentane and ethylene oxide in the presence of anhydr aluminum bromide: I. G. Farbenind., FR 716604 C.A. 26, 2198 (1932); and the action of amyl magnesium bromide on ethylene oxide: Vaughn et al., J. Am. Chem. Soc. 55, 4207 (1933).
Properties: Liquid. d425 0.8187. mp -34.6°. bp760 175.8°; bp400 155.6°; bp200 136.6°; bp100 119.5°; bp40 9.98°; bp20 85.8°; bp10 74.7°; bp5 64.3°; bp1.0 42.4°. nD25 1.4224. Water solns are colloidal: Traube, Klein, Kolloid-Z. 29, 236 (1921), Chem. Zentralbl. 1922, I, 233. One liter of water dissolves 1.0 g at 18°; 2.85 g at 100°; 5.15 g at 130°. Miscible with alcohol, ether.
Melting point: mp -34.6°
Boiling point: bp760 175.8°; bp400 155.6°; bp200 136.6°; bp100 119.5°; bp40 9.98°; bp20 85.8°; bp10 74.7°; bp5 64.3°; bp1.0 42.4°
Index of refraction: nD25 1.4224
Density: d425 0.8187

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