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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 34337Generated: October 23, 2026

2,3-Dimethylfuran

2,3-Dimethylfuran · Furagin Impurity 20 · Furan, 2,3-dimethyl- · 2,3-Dimethylfuran>2,3-Dimethylfuran 99% · 2,3-Dimethylfuran 99% · 2,3-Dimethylfuran,99% · 2,3-Dimethylfuran, GC 99% · 2,3-DiMethylfuran, 99% 1GR

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2,3-Dimethylfuran molecular structure

Identifiers & Physical Properties

CAS No.14920-89-9
Molecular formulaC6H8O
Average molar mass96.13 g/mol
Monoisotopic mass96.05751488 g/mol
SMILESCc1ccoc1C
InChIKeyFJSKXQVRKZTKSI-UHFFFAOYSA-N
PubChem CID34337
ChEMBLCHEMBL108232
EC No.249-235-2
DTXSIDDTXSID301027759

Chemical & Physical Properties

XLogP1.8
Topological polar surface area13.1
Hydrogen bond donors0
Hydrogen bond acceptors1
Rotatable bonds0
Heavy atoms7
Formal charge0
Complexity61.2
SpringerMaterials PropertiesOptical coefficient
Melting point-62.8°C (estimate)
Boiling point42 °C/115 mmHg (lit.)
Density0.91 g/mL at 25 °C (lit.)
Refractive indexn20/D 1.443(lit.)
Flash point30 °F
Storage conditionsFlammables area
Physical stateclear liquid
ColorColorless to Yellow to Green
Specific gravity0.919
SolubilityInsoluble in water.
BRN104572
InChI1S/C6H8O/c1-5-3-4-7-6(5)2/h3-4H,1-2H3
InChIKeyFJSKXQVRKZTKSI-UHFFFAOYSA-N
SMILESCc1ccoc1C
CAS DataBase Reference14920-89-9(CAS DataBase Reference)
UNSPSC Code12352100
NACRESNA.22
GHS pictogramGHS02,GHS07
Signal wordDanger
GHS hazard statementsH225-H302+H312+H332
GHS precautionary statementsP210-P233-P280-P301+P312-P303+P361+P353-P304+P340+P312
Personal protective equipment (PPE)Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
Hazard symbolsF,Xn
Risk statements (R)11-20/21/22
Safety statements (S)16-36
UN transport numberUN 1993 3/PG 2
Water hazard class (WGK)3
Hazard class3Acute Tox. 4 DermalAcute Tox. 4 InhalationAcute Tox. 4 OralFlam. Liq. 2
Packing groupII
Customs code29321900
Storage class3 - Flammable liquids

Safety & Regulations

GHS classificationDangerH225 (100%): Highly Flammable liquid and vapor [Danger Flammable liquids]P210, P233, P240, P241, P242, P243, P261, P264, P270, P271, P280, P301+P317, P302+P352, P303+P361+P353, P304+P340, P317, P321, P330, P362+P364, P370+P378, P403+P235, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 44 reports by companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Hazard Classes and CategoriesFlam. Liq. 2 (100%)
Personal protective equipment (PPE)Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
Water hazard class (WGK)3
UN transport numberUN 1993 3/PG 2
Customs code29321900
Risk statements (R)11-20/21/22
Signal wordDanger
GHS pictogramGHS02,GHS07
Hazard symbolsF,Xn
Safety statements (S)16-36
Hazard class3Acute Tox. 4 DermalAcute Tox. 4 InhalationAcute Tox. 4 OralFlam. Liq. 2
Storage class3 - Flammable liquids
Packing groupII
GHS hazard statementsH225-H302+H312+H332
GHS precautionary statementsP210-P233-P280-P301+P312-P303+P361+P353-P304+P340+P312

Applications & Uses

Uses

2,3-Dimethylfuran may be used in the synthesis of 2,9-dioxabicyclo[3.3.1]nonane. Ireland Alcohol was synthesized in from 2,3-dimethylfuran.

General Description

2,3-Dimethylfuran is a methyl substituted furan. The gas-phase rate constant determined by the relative rate method for the reaction of 2,3-dimethylfuran with NO3 radical was found to be (5.83 ± 0.46)×10-11 and with OH radical was (12.6 ± 0.4)×10-11 (in units of cm3 molecule-1 s-1). It is reported to be formed by the cyclization of (Z)-3-methylpent-2-en-4-yn-1-ol by various methods.