2-Octanol
Structural Formula Vector Image
Title: 2-Octanol
CAS Registry Number: 123-96-6
Additional Names: Secondary caprylic alcohol; methyl hexyl carbinol; hexylmethylcarbinol
Molecular Formula: C8H18O
Molecular Weight: 130.23
Percent Composition: C 73.78%, H 13.93%, O 12.29%
Line Formula: CH3(CH2)5CH(OH)CH3
Literature References: Prepd by heating sodium ricinoleate with caustic soda in a copper vessel and distilling: Adams, Marvel, Org. Synth. 1, 61 (1921); Kenyon, ibid. 6, 68 (1926); Ellis, Reid, J. Am. Chem. Soc. 54, 1678 (1932).
 
Derivative Type: dl-Form
Properties: Oily, refractive liquid. Aromatic, yet somewhat unpleasant odor, particularly on heating. d420 0.8193. mp -38.6°. bp760 178.5°; bp60 107.4°; bp20 83.3°; bp10 70.0°; bp5 57.6°; bp1.0 32.8°. nD20 1.42025 [Béhal, Bull. Soc. Chim. [4] 25, 482 (1919)]. Flash pt ~140°F (60°C). Soly in water: 0.096 ml/100 ml. Miscible with alc, ether.
Melting point: mp -38.6°
Boiling point: bp760 178.5°; bp60 107.4°; bp20 83.3°; bp10 70.0°; bp5 57.6°; bp1.0 32.8°
Flash point: Flash pt ~140°F (60°C)
Index of refraction: nD20 1.42025 [Béhal, Bull. Soc. Chim. [4] 25, 482 (1919)]
Density: d420 0.8193
 
Derivative Type: d-Form
Properties: bp20 86°. [a]D17 +9.9°. d420 0.8216.
Boiling point: bp20 86°
Optical Rotation: [a]D17 +9.9°
Density: d420 0.8216
 
Derivative Type: l-Form
Properties: bp20 86°. [a]D17 -9.9°.
Boiling point: bp20 86°
Optical Rotation: [a]D17 -9.9°
 
Use: In the manuf of perfumes; in disinfectant soaps. To prevent foaming. Solvent for fats and waxes.

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