Propylparaben
;)
Benzoic acid,4-hydroxy-,propyl ester.
Propyl p-hydroxybenzoate [94-13-3].
»Propylparaben contains not less than 99.0percent and not more than 100.5percent of C10H12O3,calculated on the dried basis.
Packaging and storage—
Preserve in well-closed containers.
Identification,Infrared Absorption á197Mñ.
and 98
Organic volatile impurities,Method IVá467ñ:
meets the requirements.
Other requirements—
It meets the requirements of the tests for Acidity,Loss on drying,and Residue on ignitionunder Butylparaben.
Assay—
Proceed with Propylparaben as directed in the Assayunder Butylparaben.Each mLof 1Nsodium hydroxide is equivalent to 180.2mg of C10H12O3.
Auxiliary Information—
Staff Liaison:Justin Lane,B.S.,Scientific Associate
Expert Committee:(EMC)Excipients:Monograph Content
USP28–NF23Page 3069
Pharmacopeial Forum:Volume No.30(4)Page 1448
Phone Number:1-301-816-8323