Ethylparaben

Ethylparaben (ethyl para-hydroxybenzoate) is the ethyl ester of p-hydroxybenzoic acid. Its formula is HO-C6H4-CO-O-CH2CH3. It is a member of the class of compounds known as parabens.

Ethylparaben[1]
Names
Preferred IUPAC name
Ethyl 4-hydroxybenzoate
Other names
  • Ethyl paraben;
  • Ethyl parahydroxybenzoate;
  • Ethyl para-hydroxybenzoate;
  • Ethyl p-hydroxybenzoate;
  • 4-Hydroxybenzoic acid ethyl ester
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
DrugBank
ECHA InfoCard 100.004.000
EC Number
  • 204-399-4
E number E214 (preservatives)
KEGG
MeSH ethyl-p-hydroxybenzoate
UNII
  • InChI=1S/C9H10O3/c1-2-12-9(11)7-3-5-8(10)6-4-7/h3-6,10H,2H2,1H3 checkY
    Key: NUVBSKCKDOMJSU-UHFFFAOYSA-N checkY
  • InChI=1/C9H10O3/c1-2-12-9(11)7-3-5-8(10)6-4-7/h3-6,10H,2H2,1H3
    Key: NUVBSKCKDOMJSU-UHFFFAOYAQ
  • O=C(OCC)c1ccc(O)cc1
Properties
C9H10O3
Molar mass 166.176 g·mol−1
Melting point 115 to 118 °C (239 to 244 °F; 388 to 391 K)
Boiling point 297 to 298 °C (567 to 568 °F; 570 to 571 K)
Pharmacology
D01AE10 (WHO)
Hazards
GHS labelling:
GHS06: Toxic
Danger
H334
P261, P285, P304+P341, P342+P311, P501
NFPA 704 (fire diamond)
NFPA 704 four-colored diamond
1
1
0
Flash point 248 °C (478 °F; 521 K)
Related compounds
Related compounds
 Paraben
Butylparaben
Methylparaben
Propylparaben
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
checkY verify (what is checkY☒N ?)
Infobox references

It is used as an antifungal preservative. As a food additive, it has E number E214.

Sodium ethyl para-hydroxybenzoate, the sodium salt of ethylparaben, has the same uses and is given the E number E215.

References
  1. Ethyl paraben, thegoodscentscompany.com
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