Ethylparaben
;)
Benzoic acid,4-hydroxy-,ethyl ester.
Ethyl p-hydroxybenzoate [120-47-8].
»Ethylparaben contains not less than 99.0percent and not more than 100.5percent of C9H10O3,calculated on the dried basis.
Packaging and storage—
Preserve in well-closed containers.
Identification,Infrared Absorption á197Mñ.
and 118
Organic volatile impurities,Method IVá467ñ:
meets the requirements.
Other requirements—
It meets the requirements for Acidity,Loss on drying,and Residue on ignitionunderButylparaben.
Assay—
Proceed with Ethylparaben as directed in the Assayunder Butylparaben.Each mLof 1Nsodium hydroxide is equivalent to 166.2mg of C9H10O3.
Auxiliary Information—
Staff Liaison:Justin Lane,B.S.,Scientific Associate
Expert Committee:(EMC)Excipients:Monograph Content
USP28–NF23Page 3006
Pharmacopeial Forum:Volume No.30(4)Page 1443
Phone Number:1-301-816-8323