Butyl Stearate

Title: Butyl Stearate
CAS Registry Number: 123-95-5
CAS Name: Octadecanoic acid butyl ester
Molecular Formula: C22H44O2
Molecular Weight: 340.58
Percent Composition: C 77.58%, H 13.02%, O 9.40%
Line Formula: CH3(CH2)16COOC4H9
Literature 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).
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.
Melting point: mp 27°; mp 16°
Boiling point: bp 343°
Flash point: flash pt 160°C (320°F)
Density: d2525 0.855-0.875
Use: Solvent, spreading and softening agent in plastics, textiles, cosmetics, rubber industries.
Butylate Butylated Hydroxyanisole Butylidene Chloride Butylmethylimidazolium Butylparaben