Title: Ethylparaben
CAS Registry Number: 120-47-8
CAS Name: 4-Hydroxybenzoic acid ethyl ester
Additional Names: ethyl p-hydroxybenzoate
Trademarks: Nipagin A; Ethyl Parasept (Tenneco); Solbrol A
Molecular Formula: C9H10O3
Molecular Weight: 166.17
Percent Composition: C 65.05%, H 6.07%, O 28.88%
Literature References: Prepd by esterification of p-hydroxybenzoic acid: Cavill, Vincent, J. Soc. Chem. Ind. London 66, 175 (1947).
Properties: Crystals, mp 116°. bp 297-298° (decompn). Freely sol in alcohol, ether. Soly in water at 20°: 0.070% w/w; at 25°: 0.075% w/w.
Melting point: mp 116°
Boiling point: bp 297-298° (decompn)
Use: Preservative for pharmaceuticals.

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