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Key Documents

Safety Information

W314609

Sigma-Aldrich

2,2′-(Dithiodimethylene)difuran

≥95%, FG

Synonym(s):

Furfuryl disulfide, Coffee difuran, Difurfuryl disulfide

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About This Item

Empirical Formula (Hill Notation):
C10H10O2S2
CAS Number:
Molecular Weight:
226.32
FEMA Number:
3146
EC Number:
Council of Europe no.:
11480
MDL number:
UNSPSC Code:
12164502
PubChem Substance ID:
Flavis number:
13.050
NACRES:
NA.21

biological source

synthetic

Quality Level

grade

FG
Fragrance grade
Halal
Kosher

Agency

follows IFRA guidelines

reg. compliance

EU Regulation 1223/2009
EU Regulation 1334/2008 & 178/2002

Assay

≥95%

refractive index

n20/D 1.585 (lit.)

bp

112-115 °C/0.5 mmHg (lit.)

mp

10-11 °C (lit.)

density

1.233 g/mL at 25 °C (lit.)

application(s)

flavors and fragrances

Documentation

see Safety & Documentation for available documents

food allergen

no known allergens

fragrance allergen

no known allergens

Organoleptic

cabbage; coffee; meaty; onion; roasted; sulfurous

SMILES string

C(SSCc1ccco1)c2ccco2

InChI

1S/C10H10O2S2/c1-3-9(11-5-1)7-13-14-8-10-4-2-6-12-10/h1-6H,7-8H2

InChI key

CBJPZHSWLMJQRI-UHFFFAOYSA-N

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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.

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

235.4 °F - closed cup

Flash Point(C)

113 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

FSL

Group 4: Flammable liquids
Type 3 petroleums
Hazardous rank III
Water insoluble liquid

JAN Code

W314609-250G:
W314609-100G:
W314609-SAMPLE-K:
W314609-1KG:
W314609-BULK-K:
W314609-VAR-K:
W314609-250G-K:4548173975351
W314609-1KG-K:4548173975344
W314609-SAMPLE:
W314609-100G-K:4548173975337


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Investigation of sulfur-containing components in roasted coffee.
R Tressl et al.
Journal of agricultural and food chemistry, 29(5), 1078-1082 (1981-09-01)
Imre Blank et al.
Journal of agricultural and food chemistry, 50(8), 2356-2364 (2002-04-04)
The stability of the coffee flavor compound furfuryl mercaptan has been investigated in aqueous solutions under Fenton-type reaction conditions. The impact of hydrogen peroxide, iron, ascorbic acid, and ethylenediaminetetraacetic acid was studied in various combinations of reagents and temperature. Furfuryl

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