1589. Butyl Stearate

Nomenclature

CAS number: 123-95-5
Octadecanoic acid butyl ester.
C22H44O2; mol wt 340.58.
C 77.58%, H 13.02%, O 9.40%.

Description and references

Prepn from silver stearate and n-butyl iodide: Whitby, J. Chem. Soc. 1926, 1458; from stearic acid and n-butanol: Smith, ibid. 1931, 802. Physical properties: Beilstein vol. 2, Suppl. 3, 1016; Smith, loc. cit.; Ind. Eng. Chem. 32, 880 (1940).

Chemical structure

Properties

Crystals from alcohol, propanol, or ether, mp 27°. Also reported as mp 16°. bp 343°. Closed-cup flash pt 160°C (320°F). d2525 0.855-0.875. Slightly sol in water; sol in alcohol, ether.

Use

Solvent, spreading and softening agent in plastics, textiles, cosmetics, rubber industries.