7866. Propylparaben

Nomenclature

CAS number: 94-13-3
4-Hydroxybenzoic acid propyl ester; propyl p-hydroxybenzoate; Nipasol M (Nipa); Solbrol P (Bayer); Propyl Parasept (Tenneco).
C10H12O3; mol wt 180.20.
C 66.65%, H 6.71%, O 26.64%.

Description and references

Prepn: Stohmann, J. Prakt. Chem. 36, 368 (1887); L. Nobli, Giorn. Farm. Chim. 84, 168 (1935), C.A. 30, 34239 (1936). Review of safety assessment: M. G. Soni et al., Food Chem. Toxicol. 39, 513-532 (2002).

Chemical structure

Properties

White crystals, mp 96-97°. Sol in 2000 parts water; freely sol in alcohol, ether; slightly sol in boiling water.

Use

Pharmaceutic aid (antifungal). Antimicrobial preservative in foods and cosmetics.