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2,5-Diethyltetrahydrofuran

HCID 62913
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Basic informationOverviewNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes
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Basic information

CAS
41239-48-9
Standard SMILES
CCC1CCC(CC)O1
InChIKey
YKWLEIXVUHRKEF-UHFFFAOYSA-N
Molecular formula
C8H16O
Average molar mass
128.21 g/mol
Monoisotopic mass
128.12011513

Overview

2,5-Diethyltetrahydrofuran is a member of oxolanes.

Names & identifiers

Preferred name
2,5-Diethyltetrahydrofuran
IUPAC
2,5-diethyloxolane
English name
2,5-DIETHYLTETRAHYDROFURAN
Molecular formula
C8H16O
Molecular weight
128.21

Names & synonyms

2,5-Diethyltetrahydrofuran2,5-diethyloxolaneFuran, 2,5-diethyltetrahydro-FEMA No. 3743EINECS 255-274-6UNII-4L4S1F79CT2,5-Diethyltetrahydro-Furan4L4S1F79CT2,5-DiethyltetrahydrofuraneFEMA 3743DTXSID708660392,5-DIETHYLTETRAHYDROFURAN [FHFI]
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RefChem:82837Furan, 2,5diethyltetrahydroDTXCID40814380255-274-6YKWLEIXVUHRKEF-UHFFFAOYSA-N41239-48-92,5-diethyl tetrahydrofuranSCHEMBL872855

Database identifiers

CAS
41239-48-9
PubChem CID
62913
DTXSID
DTXSID70866039
ChEBI
CHEBI:195849
UNII
4L4S1F79CT
EC Number
255-274-6
Nikkaji
J89.403F

Properties

Computed structural propertiesFilling in

XLogP
2.5
Topological polar surface area
9.2 Ų
Hydrogen bond donors
0
Hydrogen bond acceptors
1
Rotatable bonds
2
Heavy atoms
9
Formal charge
0
Complexity
70.6

Experimental & physicochemical properties

SolventsSolvents -> Ethers (<C12)
FragrancesFragrance Ingredient (2,5-Diethyltetrahydrofuran) -> IFRA transparency List
Food AdditivesFLAVORING AGENT OR ADJUVANT -> FDA Substance added to food
Density0.827-0.833
Flavoring AgentsEU Flavoring substances
Solubility · 3 items

slightly

Soluble in oils; Insoluble in water

Soluble (in ethanol)

Boiling Point · 2 items

116.00 °C. @ 760.00 mm Hg

116 °C

Refractive Index1.401-1.407
Physical Description · 2 items

Liquid

Colourless liquid; Powerful diffusive sweet-herbaceous carmellic aroma

Safety & regulation

Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.

GHS classification

GHS Classification · 4 items

Danger

H225 (100%): Highly Flammable liquid and vapor [Danger Flammable liquids]

P210, P233, P240, P241, P242, P243, P280, P303+P361+P353, P370+P378, P403+P235, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 113 reports by companies from 1 notifications to the ECHA C&L Inventory.

Hazard information

Regulatory Information · 3 items

Chemical: Furan, 2,5-diethyltetrahydro-

Commission Regulation (EC) No 1565/2000 (Repealed by Com. Implementing Reg. (EU) No 872/2012)

Furan, 2,5-diethyltetrahydro-: Does not have an individual approval but may be used under an appropriate group standard

Hazards SummaryCauses tearing and diarrhea in oral lethal-dose studies of rats; [RTECS] Safe when used as a flavoring agent in food; [JECFA] See Tetrahydrofuran.
Hazard Classes and CategoriesFlam. Liq. 2 (100%)

Toxicology

Adverse EffectsNeurotoxin - Acute solvent syndrome

Safety data

tsca
TSCA listed
Signal word
Danger
Symbol(GHS)
GHS02
Hazard statements
H225
Precautionary statements
P210-P233-P240-P241-P242-P243-P280-P303+P361+P353-P370+P378-P403+P235-P501

Chemistry & industry

Pharmacology

Cellular LocationsMembrane

Uses & manufacturing

UsesUsed as flavoring agent or adjuvant; [FDA]
Use Classification · 3 items

Fragrance Ingredients

Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes

Flavoring Agents -> JECFA Flavorings Index

General Manufacturing InformationFuran, 2,5-diethyltetrahydro-: ACTIVE

Applications

OccurrenceReported found in mint, origanum and lemon balm (Melissa officinalis L.)

Uses2,5-Diethyltetrahydrofuran can be used in analytical and biological studies for enhanced resolution of Mentha piperita volatile fraction using a novel medium-polarity ionic liquid gas chromatography stationary phase.

Related reactions

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Compound notes

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Physicochemical properties

Boiling point
197.67 °C · 197.67°C (rough estimate)
Density
0.8824 · 0.8824 (rough estimate)
refractive index
1.5 · 1.5000 (estimate)
FEMA
3743 · 3743 | 2,5-DIETHYLTETRAHYDROFURAN
FLAVIS Number
13.095 · 13.095 | 2,5-Diethyltetrahydrofuran
solubility
Chloroform (Sparingly), Methanol (Slightly);Slightly soluble in water, soluble in alcohol, Propylene glycol and oils.
color
Colorless liquid
Odor
Powerful and diffusive, sweet-herbaceous, caramellic odor of very poor tenacity.
Odor Type
herbal
JECFA Number
1453 · 1453
Stability
Volatile
LogP
2.37 · 2.37
Substances Added to Food (formerly EAFUS)
2 · 2,5-DIETHYLTETRAHYDROFURAN
FDA 21 CFR
172.515 · 172.515
EWG's Food Scores
1 · 1
FDA UNII
4 L4S1F79CT · 4L4S1F79CT
EPA Substance Registry System
2 · 2,5-Diethyltetrahydrofuran (41239-48-9)
Symbol(GHS)
2 · GHS02
Signal word
Danger
Hazard statements
225 · H225
Precautionary statements
210 · P210-P233-P240-P241-P242-P243-P280-P303+P361+P353-P370+P378-P403+P235-P501
TSCA
TSCA listed