二糠基二硫

Description

Difurfuryl disulfide · CAS 4437-20-1 · C10H10O2S2. UNII 5IP6729ULF. Boiling Point: 229.00 to 230.00 °C. @ 760.00 mm Hg; Boiling Point: 229-230 °C; Melting Point: 10 - 11 °C.

Identification

CAS Registry Number	4437-20-1
PubChem CID	20499
Molecular formula	C10H10O2S2
IUPAC name	2-[(furan-2-ylmethyldisulfanyl)methyl]furan
UNII (FDA)	5IP6729ULF
FEMA number	3146
JECFA number	1081

Computed Descriptors

Molecular Weight	226.3
XLogP3	2.1
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	4
Rotatable Bond Count	5
Exact Mass	226.01222190
Monoisotopic Mass	226.01222190
Topological Polar Surface Area	76.9
Heavy Atom Count	14
Formal Charge	0

Physical & Chemical Properties

Boiling Point	229.00 to 230.00 °C. @ 760.00 mm Hg
Boiling Point	229-230 °C
Melting Point	10 - 11 °C
Density	1.229-1.248
LogP	4.030
Refractive Index	1.585-1.598

Physical description & handling notes

• Liquid
• Pale yellowish oily liquid; powerful, repulsive sulfuraceous odour
• Slightly soluble in water; soluble in oils
• Miscible at room temperature (in ethanol)

Regulatory Status

Regulatory & Food Contact	EU Flavoring substances FDA Substance added to food: FLAVOR ENHANCER, FLAVORING AGENT OR ADJUVANT Flavoring Agents FLAVOURING_AGENT: Flavouring Agent Savory 2,2'-(DITHIODIMETHYLENE) DIFURAN
GHS notification summary	1.7% (24 / 1413)

GHS Hazard Classification

GHS notification summary	1.7% (24 / 1413)
Reported hazard statements	H302 (96.2%)

Documented Uses

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

Synonyms

DIFURFURYL DISULFIDE; Furfuryl disulfide; Furan, 2,2'-[dithiobis(methylene)]bis-; 2,2'-(Dithiodimethylene)difuran; 2-Furfuryl disulfide; coffee difuran; Bis(2-furfuryl)disulfide; Bis(2-furfuryl) disulfide; FEMA No. 3146; 2,2'-(thiodimethylene)-difuran; 2,2'-(Dithiobis(methylene))bisfuran; 2,2'-[Dithiobis(methylene)]bisfuran; 5IP6729ULF; DIFURFURYL DISUFIDE; EINECS 224-649-6; Furan, 2,2'-(dithiodimethylene)di-

Frequently Asked Questions

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

CAS 4437-20-1; molecular formula C10H10O2S2; molecular weight — g/mol.

What other names is Difurfuryl disulfide known by?

DIFURFURYL DISULFIDE, Furfuryl disulfide, Furan, 2,2'-[dithiobis(methylene)]bis-, 2,2'-(Dithiodimethylene)difuran, 2-Furfuryl disulfide, coffee difuran.

What is the regulatory status of Difurfuryl disulfide?

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

Is Difurfuryl disulfide classified as hazardous?

1.7% of GHS notifications report no hazard classification (24 of 1413).

What are the key physical properties of Difurfuryl disulfide?

Boiling Point: 229.00 to 230.00 °C. @ 760.00 mm Hg; Boiling Point: 229-230 °C; Melting Point: 10 - 11 °C; Density: 1.229-1.248.

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.