Ethyl 4-hydroxybenzoate

Independent reference data for Ethyl 4-hydroxybenzoate (CAS 120-47-8), compiled from public chemistry databases.

Registry identifiers across databases

Computed descriptors

Physicochemical values on record

Documented uses on record

Used as a preservative for pharmaceuticals, adhesives, and various cosmetic preparations (inhibits fungal and bacterial growth); [HSDB] The parabens (methyl, ethyl, propyl, and butyl) were the most widely used preservatives in cosmetics (0.1% to 0.8%) until their sensitizing potential was recognized; [Marks, p. 115]Working with Glues and Adhesives [Category: Other]

Synonyms and trade names

Ethylparaben; ETHYL 4-HYDROXYBENZOATE; 120-47-8; Ethyl paraben; Ethyl p-hydroxybenzoate; Tegosept E; Mycocten; Ethyl parasept; 4-Hydroxybenzoic acid ethyl ester; Aseptoform E; Nipagin A; Easeptol; Ethyl butex; Napagin A; Nipazin A; Solbrol A

Regulatory listings held on file

Regulatory & Food Contact	EU Flavoring substances FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS Flavoring Agents PRESERVATIVE: Food Additives JECFA ADI: 0-10 mg/kg bw Group ADI as the sum of the ethyl and methyl esters of p-hydroxybenzoic acid. In view of the adverse effects i
GHS notification summary	60.7% (811 / 1336)

GHS hazard classification

GHS notification summary	60.7% (811 / 1336)
Reported hazard statements	H304 (33.5%), H315 (38.8%), H317 (34%), H319 (39.3%), H401

This chemical does not meet GHS hazard criteria for 60.7% (811 of 1336) of all reports.

H304 (33.5%): May be fatal if swallowed and enters airways [Danger Aspiration hazard]

What the public record says

Ethyl 4-hydroxybenzoate is identified by CAS 120-47-8, molecular formula C9H10O3 and molecular weight 166.06 g/mol. UNII 14255EXE39; ChEBI 31575; InChIKey NUVBSKCKDOMJSU-UHFFFAOYSA-N. Boiling Point: 297-298 °C (decomposition); Boiling Point: 298.00 °C. @ 760.00 mm Hg; Melting Point: 117 °C.

Physical description and handling notes

Source: PubChem / Wikidata; the batch COA governs where values differ.