呋喃，2,2'-(氧双(亚甲基))双-

Description

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.

Identification

CAS Registry Number	4437-22-3
PubChem CID	263034
Molecular formula	C10H10O3
Molecular weight	178.06 g/mol
IUPAC name	2-(furan-2-ylmethoxymethyl)furan
InChIKey	YEQMNLGBLPBBNI-UHFFFAOYSA-N
UNII (FDA)	55L57OC81G
ChEBI ID	CHEBI:193974
FEMA number	3337
JECFA number	1522

Computed Descriptors

Molecular Weight	178.18
XLogP3	1.3
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	3
Rotatable Bond Count	4
Exact Mass	178.062994177
Monoisotopic Mass	178.062994177
Topological Polar Surface Area	35.5
Heavy Atom Count	13
Formal Charge	0

Physical & Chemical Properties

Boiling Point	101.00 °C. @ 2.00 mm Hg
Boiling Point	88-89 °C (1 mm Hg)
Density	1.506-1.512
Refractive Index	1.138-1.144

Physical description & handling notes

• Colourless to yellow liquid; Coffee-like, nutty aroma
• Insoluble in water
• Soluble (in ethanol)

Regulatory Status

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%)

Documented Uses

• Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes
• Flavoring Agents -> JECFA Flavorings Index
• Furan, 2,2'-[oxybis(methylene)]bis-: ACTIVE

Synonyms

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

Frequently Asked Questions

What are the CAS number and molecular formula of Difurfuryl ether?

CAS 4437-22-3; molecular formula C10H10O3; molecular weight 178.06 g/mol.

What other names is Difurfuryl ether known by?

Difurfuryl ether, 4437-22-3, Furfuryl ether, 2,2'-Difurfuryl ether, Furan, 2,2'-(oxydimethylene)di-, Furan, 2,2'-[oxybis(methylene)]bis-.

What is the regulatory status of Difurfuryl ether?

Documented regulatory listings: EU Flavoring substances; FDA Substance added to food: FLAVORING AGENT OR ADJUVANT; Flavoring Agents.

Is Difurfuryl ether classified as hazardous?

Hazard statements reported: H301.

What are the key physical properties of Difurfuryl ether?

Boiling Point: 101.00 °C. @ 2.00 mm Hg; Boiling Point: 88-89 °C (1 mm Hg); Density: 1.506-1.512; Refractive Index: 1.138-1.144.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.