1,3-dimercaptopropane

Independent reference data for 1,3-dimercaptopropane (CAS 109-80-8), compiled from public chemistry databases.

Registry identifiers across databases

Computed descriptors

Physicochemical values on record

Documented uses on record

Used as a reagent in the manufacture of thioketals and thioacetals; [NTP] Used as a flavoring agent; [FDA]Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes

Synonyms and trade names

1,3-Propanedithiol; Propane-1,3-dithiol; 109-80-8; 1,3-DIMERCAPTOPROPANE; Trimethylene dimercaptan; Dithiotrimethyleneglycol; Trimethylenedithiol; Trimethylenedithioglycol; 1,3-Propanedimercaptan; 1,3-propane dithiol; FEMA No. 3588; R4LUJ82U52; 1,3-TRIMETHYLENEDITHIOL; DTXSID0059376; CHEBI:44864; RefChem:72944

Regulatory listings held on file

Regulatory & Food Contact	EU Flavoring substances FDA Substance added to food: 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	7.1% (11 / 154)

GHS hazard classification

GHS notification summary	7.1% (11 / 154)
Reported hazard statements	H302 (16.9%), H315 (85.7%), H319 (83.8%), H335 (83.1%)

This chemical does not meet GHS hazard criteria for 7.1% (11 of 154) of reports.

H302 (16.9%): Harmful if swallowed [Warning Acute toxicity, oral]

What the public record says

1,3-Propanedithiol is identified by CAS 109-80-8, molecular formula C3H8S2 and molecular weight 108.01 g/mol. UNII R4LUJ82U52; ChEBI 44864; InChIKey ZJLMKPKYJBQJNH-UHFFFAOYSA-N. Boiling Point: 336 °F at 760 mmHg (NTP, 1992); Boiling Point: 169.00 to 173.00 °C. @ 760.00 mm Hg; Boiling Point: 169-173 °C; 105 °C (100 mm Hg); 63 °C (15 mm Hg).

Physical description and handling notes

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