Preferred name | difurfuryl ether |
Trivial Name | Difurfuryl ether |
Short Description | 2,2'-[oxybis(methylene)]bisfuran |
Formula | C10 H10 O3 |
CAS Number | 4437-22-3 |
Deleted CAS Number | 1801783-78-7 |
FEMA Number | 3337 |
Flavis Number | 13.061 |
FDA UNII | 55L57OC81G |
Nikkaji Number | J102.641K |
Beilstein Number | 0156726 |
COE Number | 10930 |
xLogP3-AA | 1.30 (est) |
NMR Predictor | External link |
JECFA Food Flavoring | 1522 difurfuryl ether |
FDA Patent | No longer provide for the use of these seven synthetic flavoring substances |
FDA Mainterm | 4437-22-3 ; DIFURFURYL ETHER |
Synonyms |
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Google Scholar | Start search |
Google Books | Start search |
Google Patents | Start search |
Perfumer & Flavorists | Start search |
EU Patents | Start search |
PubMeb | Start search |
NCBI | Start search |
2-(furan-2-ylmethoxymethyl)furan | |
NIST Chemistry WebBook: | Search Inchi |
Canada Domestic Sub. List: | 4437-22-3 |
Pubchem (cid): | 263034 |
Pubchem (sid): | 135263851 |
Publications by Info | |
substances containing furan substitution | |
Publications by US Patents | |
3,940,502 - Flavoring agent | |
Furfurylthioacetone |
(IUPAC): | Atomic Weights of the Elements 2011 (pdf) |
Videos: | The Periodic Table of Videos |
tgsc: | Atomic Weights use for this web site |
(IUPAC): | Periodic Table of the Elements |
FDA Substances Added to Food (formerly EAFUS): | View |
HMDB (The Human Metabolome Database): | HMDB33248 |
FooDB: | FDB011267 |
VCF-Online: | VCF Volatile Compounds in Food |
ChemSpider: | View |
EFSA Update of results on the monitoring of furan levels in food: | Read Report |
EFSA Previous report: Results on the monitoring of furan levels in food: | Read Report |
EFSA Report of the CONTAM Panel on provisional findings on furan in food: | Read Report |
BOC Sciences | Penta International |
United International | WholeChem |
Penta International Corporation | Taytonn ASCC |
Qingdao Free Trade Zone United International Co Ltd |
Material listed in food chemical codex | No |
Molecular weight | 178.18730163574 |
Specific gravity | @ 25 °C |
Pounds per Gallon | 12.531 to 12.581 |
Refractive Index | 1.138 to 1.144 @ 20 °C |
Boiling Point | 88 to 89°C @ 1 mm Hg |
Acid Value | 1 max KOH/g |
Vapor Pressure | 0.109 mmHg @ 25 °C |
Flash Point TCC Value | 105.56 °C TCC |
logP (o/w) | 1.797 est |
Solubility | |
alcohol | Yes |
water, 711.3 mg/L @ 25 °C (est) | Yes |
water | No |
Odor Type: Coffee | |
coffee, nutty, earthy | |
General comment | At 0.10 % in propylene glycol. coffee nutty earthy |
Flavor Type: Coffee | |
coffee, mushroom | |
General comment | Coffee mushroom-like |
(data available) |
European information : | |
Most important hazard(s): | |
Xi - Irritant | |
R 36/37/38 - Irritating to eyes, respiratory system, and skin. S 02 - Keep out of the reach of children. S 24/25 - Avoid contact with skin and eyes. S 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S 36/37/39 - Wear suitable clothing, gloves and eye/face protection. | |
Hazards identification | |
Classification of the substance or mixture | |
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS) | |
None found. | |
GHS Label elements, including precautionary statements | |
Pictogram | |
Hazard statement(s) | |
None found. | |
Precautionary statement(s) | |
None found. | |
Oral/Parenteral Toxicity: | |
oral-rat LD50 210 mg/kg GASTROINTESTINAL: ULCERATION OR BLEEDING FROM DUODENUM GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA" GASTROINTESTINAL: CHANGES IN STRUCTURE OR FUNCTION OF SALIVARY GLANDS Acute Toxicity Data. Journal of the American College of Toxicology, Part B. Vol. 1, Pg. 93, 1990. | |
Dermal Toxicity: | |
Not determined | |
Inhalation Toxicity: | |
Not determined |
Category: | |||
flavoring agents | |||
Recommendation for difurfuryl ether usage levels up to: | |||
not for fragrance use. | |||
Maximised Survey-derived Daily Intakes (MSDI-EU): | 0.12 (μg/capita/day) | ||
Maximised Survey-derived Daily Intakes (MSDI-USA): | 0.09 (μg/capita/day) | ||
Structure Class: | II | ||
Use levels for FEMA GRAS flavoring substances on which the FEMA Expert Panel based its judgments that the substances are generally recognized as safe (GRAS). | |||
The Expert Panel also publishes separate extensive reviews of scientific information on all FEMA GRAS flavoring substances and can be found at FEMA Flavor Ingredient Library | |||
publication number: 6 | |||
Click here to view publication 6 | |||
average usual ppm | average maximum ppm | ||
baked goods: | - | 1.00000 | |
beverages(nonalcoholic): | - | - | |
beverages(alcoholic): | - | - | |
breakfast cereal: | - | - | |
cheese: | - | - | |
chewing gum: | - | - | |
condiments / relishes: | - | - | |
confectionery froastings: | - | - | |
egg products: | - | - | |
fats / oils: | - | - | |
fish products: | - | - | |
frozen dairy: | - | - | |
fruit ices: | - | - | |
gelatins / puddings: | - | - | |
granulated sugar: | - | - | |
gravies: | - | 1.00000 | |
hard candy: | - | - | |
imitation dairy: | - | - | |
instant coffee / tea: | - | - | |
jams / jellies: | - | - | |
meat products: | - | 1.00000 | |
milk products: | - | - | |
nut products: | - | - | |
other grains: | - | - | |
poultry: | - | - | |
processed fruits: | - | - | |
processed vegetables: | - | - | |
reconstituted vegetables: | - | - | |
seasonings / flavors: | - | - | |
snack foods: | - | - | |
soft candy: | - | - | |
soups: | - | 1.00000 | |
sugar substitutes: | - | - | |
sweet sauces: | - | - |
European Food Safety Athority(EFSA):Flavor usage levels; Subacute, Subchronic, Chronic and Carcinogenicity Studies; Developmental / Reproductive Toxicity Studies; Genotoxicity Studies... |
European Food Safety Authority (EFSA) reference(s): |
Flavouring Group Evaluation 67 (FGE.67): Consideration of 40 furan-substituted aliphatic hydrocarbons, alcohols, aldehydes, ketones, carboxylic acids and related esters, sulfides, disulfides and ethers evaluated by JECFA at the 65th meeting (JECFA, 2006b) and re-evaluated at the 69th meeting (JECFA, 2009c) View page or View pdf |
Scientific Opinion on Flavouring Group Evaluation 67, Revision 1 (FGE.67Rev.1): Consideration of 40 furan-substituted aliphatic hydrocarbons, alcohols, aldehydes, ketones, carboxylic acids and related esters, sulfides, disulfides and ethers evaluated by JECFA at the 65th meeting (JECFA, 2006b) and re-evaluated at the 69th meeting (JECFA, 2009c) View page or View pdf |
Statement on List of Representative Substances for Testing. The current Statement lays down a list of substances in sub-groups with representative substances for which additional data are required prior to their evaluation through the Procedure (Regulation (EC) No 1565/2000). View page or View pdf |
Scientific Opinion on Flavouring Group Evaluation 67 Revision 2 (FGE.67Rev2): Consideration of 28 furan-substituted compounds evaluated by JECFA at the 55th, 65th and 69th meetings (JECFA, 2001, 2006a, 2009b) View page or View pdf |
Scientific Opinion on Flavouring Group Evaluation 67, Revision 3 (FGE.67Rev3): consideration of 23 furan-substituted compounds evaluated by JECFA at the 55th, 65th, 69th and 86th meetings View page or View pdf |
EPI System: View |
AIDS Citations:Search |
Cancer Citations:Search |
Toxicology Citations:Search |
EPA Substance Registry Services (TSCA):4437-22-3 |
EPA ACToR:Toxicology Data |
EPA Substance Registry Services (SRS):Registry |
Laboratory Chemical Safety Summary :263034 |
National Institute of Allergy and Infectious Diseases:Data |
WGK Germany:3 |
2-(furan-2-ylmethoxymethyl)furan |
Chemidplus:0004437223 |