Ethyl 3-mercaptopropionate

Independent reference data for Ethyl 3-mercaptopropionate (CAS 5466-06-8), compiled from public chemistry databases.

Registry identifiers across databases

Computed descriptors

Physicochemical values on record

Documented uses on record

Used as a flavoring agent; [FDA]Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes

Synonyms and trade names

ETHYL 3-MERCAPTOPROPIONATE; 5466-06-8; Ethyl 3-mercaptopropanoate; 3-Mercaptopropanoic acid ethyl ester; Propanoic acid, 3-mercapto-, ethyl ester; Ethyl beta-mercaptopropionate; Propionic acid, 3-mercapto-, ethyl ester; FEMA No. 3677; 22GQZ8P70D; NSC-25754; DTXSID7063922; RefChem:595003; DTXCID0041771; 226-771-5; Ethyl 3-sulfanylpropanoate; 3-Mercaptopropionic Acid Ethyl Ester

Regulatory listings held on file

Regulatory & Food Contact	EU Flavoring substances FDA Substance added to food: FLAVOR ENHANCER, FLAVORING AGENT OR ADJUVANT Flavoring Agents FLAVOURING_AGENT: Flavouring Agent Savory No safety concern at current levels of intake when used as a flavouring agent
GHS notification summary	0.8% (11 / 1442)

GHS hazard classification

GHS notification summary	0.8% (11 / 1442)
Reported hazard statements	H315 (99.2%), H319 (99.2%), H335 (99.2%)

This chemical does not meet GHS hazard criteria for 0.8% (11 of 1442) of reports.

H315 (99.2%): Causes skin irritation [Warning Skin corrosion/irritation]

What the public record says

Ethyl 3-mercaptopropionate is identified by CAS 5466-06-8, molecular formula C5H10O2S and molecular weight 134.04 g/mol. UNII 22GQZ8P70D; ChEBI 173554; InChIKey CJQWLNNCQIHKHP-UHFFFAOYSA-N. Boiling Point: 75.00 to 76.00 °C. @ 10.00 mm Hg; Boiling Point: 162 °C; Refractive Index: 1.454-1.460.

Physical description and handling notes

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