Difurfuryldisulfide
Synonym(s):Coffee difuran;Difurfuryl disulfide;Furfuryl disulfide
- CAS NO.：4437-20-1
- Empirical Formula: C10H10O2S2
- Molecular Weight: 226.32
- MDL number: MFCD00010082
- EINECS: 224-649-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 06:09:54
What is Difurfuryldisulfide?
Chemical properties
Pale yellowish oily liquid. Slightly soluble in water, soluble in alcohol and oils.
Occurrence
Reported found in beef (boiled, cooked) and coffee
The Uses of Difurfuryldisulfide
Furfuryl disulfide has been used in the preparation of poly(disulfido-imide)s by Diels-Alder (DA) reaction with the various bismaleimides.
Definition
ChEBI: Bis(2-furanylmethyl) disulfide is a heteroarene.
Preparation
Difurfuryl disulfide is produced from Furfural and Hydrogen sulfide gas.
Taste threshold values
Taste characteristics at 20 ppm: roasted, sulfuraceous, alliaceous, green and meaty.
General Description
Difurfuryl disulfide is a sulfur-containing volatile compound mainly found in roasted coffee. It is also the main degradation product of furfuryl mercaptan under Fenton-type reaction conditions.
Properties of Difurfuryldisulfide
| Melting point: | 10-11 °C (lit.) |
| Boiling point: | 112-115 °C/0.5 mmHg (lit.) |
| Density | 1.233 g/mL at 25 °C (lit.) |
| refractive index | n |
| FEMA | 3146 | 2,2'-(DITHIODIMETHYLENE)-DIFURAN |
| Flash point: | >230 °F |
| storage temp. | Keep in dark place,Inert atmosphere,2-8°C |
| form | clear liquid |
| color | Colorless to Yellow |
| Specific Gravity | 1.235 (20/4℃) |
| Odor | at 0.01 % in propylene glycol. sulfury coffee roasted chicken meaty onion cabbage |
| JECFA Number | 1081 |
| CAS DataBase Reference | 4437-20-1(CAS DataBase Reference) |
| NIST Chemistry Reference | Bis(2-furfuryl)disulfide(4437-20-1) |
| EPA Substance Registry System | Furan, 2,2'-[dithiobis(methylene)]bis- (4437-20-1) |
Safety information for Difurfuryldisulfide
Computed Descriptors for Difurfuryldisulfide
Difurfuryldisulfide manufacturer
Triveni Interchem Private Limited (Group Of Triveni Chemicals)
Gujarat
product: Liquid 2,2-Dithiodimethylene Difuran, Packaging Type: Fiber Drum
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