2,2'-Difurfuryl ether

Independent reference data for 2,2'-Difurfuryl ether (CAS 4437-22-3), compiled from public chemistry databases.

Registry identifiers across databases

Computed descriptors

Physicochemical values on record

Documented uses on record

Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional ClassesFlavoring Agents -> JECFA Flavorings Index

Synonyms and trade names

Difurfuryl ether; 4437-22-3; Furfuryl ether; 2,2'-Difurfuryl ether; Furan, 2,2'-(oxydimethylene)di-; Furan, 2,2'-[oxybis(methylene)]bis-; 2,2'-(Oxydimethylene)difuran; FEMA No. 3337; Furan, 2,2'-(oxybis(methylene))bis-; 2,2'-(Oxybis(methylene))bisfuran; NSC 97234; BRN 0156726; 55L57OC81G; 2,2'-[Oxybis(methylene)]bisfuran; Difurfuryl ether (7CI); NSC-97234

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 hazard classification

Reported hazard statements	H301 (100%)

H301 (100%): Toxic if swallowed [Danger Acute toxicity, oral]

P264, P270, P301+P316, P321, P330, P405, and P501 (click each P-code to see the statement)

What the public record says

Difurfuryl ether is identified by CAS 4437-22-3, molecular formula C10H10O3 and molecular weight 178.06 g/mol. UNII 55L57OC81G; ChEBI 193974; InChIKey YEQMNLGBLPBBNI-UHFFFAOYSA-N. Boiling Point: 101.00 °C. @ 2.00 mm Hg; Boiling Point: 88-89 °C (1 mm Hg); Density: 1.506-1.512.

Physical description and handling notes

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