2,5-diethyl tetrahydrofuran, 41239-48-9

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Product(s):
41239-48-9 2,5-Diethyloxolane 95%

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Product(s):

Name:	2,5-diethyloxolane
CAS Number:	41239-48-9	3D/inchi
ECHA EINECS - REACH Pre-Reg:	255-274-6
FDA UNII:	4L4S1F79CT
Nikkaji Web:	J89.403F
CoE Number:	11882
XlogP3-AA:	2.50 (est)
Molecular Weight:	128.21472000
Formula:	C8 H16 O
NMR Predictor:	Predict (works with chrome, Edge or firefox)
EFSA/JECFA Comments:
Mixture of stereoisomers (EFFA, 2010). cis (R,S) = (S,R) (50 %), trans (R,R) (25 %) and trans (S,S) (25 %) (EFFA, 2012b).

Category:flavoring agents

US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:

Google Scholar:	Search
Google Books:	Search
Google Scholar: with word "volatile"	Search
Google Scholar: with word "flavor"	Search
Google Scholar: with word "odor"	Search
Perfumer and Flavorist:	Search
Google Patents:	Search
US Patents:	Search
EU Patents:	Search
Pubchem Patents:	Search
PubMed:	Search
NCBI:	Search
JECFA Food Flavoring:	1453 2,5-diethyltetrahydrofuran
DG SANTE Food Flavourings:	13.095 2,5-diethyltetrahydrofuran
FEMA Number:	3743 2,5-diethyltetrahydrofuran
FDA:	No longer provide for the use of these seven synthetic flavoring substances
FDA Mainterm (SATF):	41239-48-9 ; 2,5-DIETHYLTETRAHYDROFURAN
FDA Regulation:
FDA PART 172 -- FOOD ADDITIVES PERMITTED FOR DIRECT ADDITION TO FOOD FOR HUMAN CONSUMPTION Subpart F--Flavoring Agents and Related Substances Sec. 172.515 Synthetic flavoring substances and adjuvants.

Physical Properties:

Appearance:	colorless clear liquid (est)
Assay:	97.00 to 100.00
Food Chemicals Codex Listed:	No
Specific Gravity:	0.82700 to 0.83300 @ 25.00 °C.
Pounds per Gallon - (est).:	6.881 to 6.931
Refractive Index:	1.40100 to 1.40700 @ 20.00 °C.
Boiling Point:	116.00 °C. @ 760.00 mm Hg
Vapor Pressure:	3.815000 mmHg @ 25.00 °C. (est)
Flash Point:	102.00 °F. TCC ( 38.89 °C. )
logP (o/w):	2.563 (est)
Soluble in:
	alcohol
	water, slightly
	water, 415.4 mg/L @ 25 °C (est)
Insoluble in:
	water

Organoleptic Properties:

Odor Type: herbal

sweet herbal caramellic

Odor Description:at 0.10 % in propylene glycol. sweet herbal caramel

Odor and/or flavor descriptions from others (if found).

Cosmetic Information:

None found

Suppliers:

Axsyn

For experimental / research use only.

Furan,2,5-diethyltetrahydro-

BOC Sciences

For experimental / research use only.

2,5-Diethyloxolane 95%

Parchem

2,5-diethyl tetrahydrofuran

Chemical Sources Association

Need This Item for Flavor/Food?: You can contact the Chemical Sources Association

Safety Information:


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 [sex: M,F] 3800 mg/kg (Burdock & Ford, 1990j) oral-rat LD50 [sex: M,F] 3754 mg/kg (Reagan & Becci, 1984i) oral-rat LD50 3400 mg/kg SENSE ORGANS AND SPECIAL SENSES: LACRIMATION: EYE SKIN AND APPENDAGES (SKIN): HAIR: OTHER GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA" Acute Toxicity Data. Journal of the American College of Toxicology, Part B. Vol. 1, Pg. 5, 1990.
Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined

Safety in Use Information:

Category:
flavoring agents
Recommendation for 2,5-diethyl tetrahydrofuran usage levels up to:
	not for fragrance use.

Maximised Survey-derived Daily Intakes (MSDI-EU):		0.009 (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: 14
Click here to view publication 14
		average usual ppm	average maximum ppm
baked goods:		-	10.00000
beverages(nonalcoholic):		-	5.00000
beverages(alcoholic):		-	5.00000
breakfast cereal:		-	-
cheese:		-	-
chewing gum:		-	-
condiments / relishes:		-	-
confectionery froastings:		-	-
egg products:		-	-
fats / oils:		-	-
fish products:		-	-
frozen dairy:		-	5.00000
fruit ices:		-	-
gelatins / puddings:		-	5.00000
granulated sugar:		-	-
gravies:		-	-
hard candy:		-	-
imitation dairy:		-	-
instant coffee / tea:		-	-
jams / jellies:		-	-
meat products:		-	-
milk products:		-	-
nut products:		-	-
other grains:		-	-
poultry:		-	-
processed fruits:		-	-
processed vegetables:		-	-
reconstituted vegetables:		-	-
seasonings / flavors:		-	-
snack foods:		-	-
soft candy:		-	10.00000
soups:		-	-
sugar substitutes:		-	-
sweet sauces:		-	-

Safety References:

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 33 (FGE.33)[1] - Six Tetrahydrofuran Derivatives from Chemical Groups 13, 14, 16 and 26 - Scientific Opinion of the Panel on Food Additives, Flavourings, Processing Aids and Materials in Contact with Food
View page or View pdf

Flavouring Group Evaluation 75 (FGE.75)[1] - Consideration of tetrahydrofuran derivatives and a furanone derivative evaluated by JECFA (63rd meeting) structurally related to tetrahydrofuran derivatives evaluated by EFSA in FGE.33 (2008)
View page or View pdf

Scientific Opinion on Flavouring Group Evaluation 75, Revision 1 (FGE.75Rev1): Consideration of tetrahydrofuran derivatives evaluated by JECFA (63rd meeting) structurally related to tetrahydrofuran derivatives evaluated by EFSA in FGE.33 (2008)
View page or View pdf

EPI System: View

AIDS Citations:Search

Cancer Citations:Search

Toxicology Citations:Search

EPA Substance Registry Services (TSCA):41239-48-9

EPA ACToR:Toxicology Data

EPA Substance Registry Services (SRS):Registry

Laboratory Chemical Safety Summary :62913

National Institute of Allergy and Infectious Diseases:Data

2,5-diethyloxolane

Chemidplus:0041239489

References:

	2,5-diethyloxolane
NIST Chemistry WebBook:	Search Inchi
Canada Domestic Sub. List:	41239-48-9
Pubchem (cid):	62913
Pubchem (sid):	135020219

Other Information:

(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):	HMDB29574
FooDB:	FDB000729
Export Tariff Code:	2932.19.0000
Typical G.C.
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