Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 89989Generated: October 23, 2026

5-Ethyl-2-furaldehyde

5-Ethylfurfural · 5-ETHYL-2-FURALDEHYD · ASISCHEM D29263 · 5-Ethyl-2-furfural · TIMTEC-BB SBB010056 · Furfural Impurity 20 · Furfural Impurity 34 · 5-ETHYL-2-FURALDEHYDE

https://huagongshe.com/en/chemical/89989

5-Ethyl-2-furaldehyde molecular structure

Identifiers & Physical Properties

CAS No.23074-10-4
Molecular formulaC7H8O2
Average molar mass124.14 g/mol
Monoisotopic mass124.0524295 g/mol
SMILESCCc1ccc(C=O)o1
InChIKeyXADGZBXFWQHBDB-UHFFFAOYSA-N
PubChem CID89989
EC No.245-411-8
DTXSIDDTXSID80177643

Chemical & Physical Properties

XLogP1.1
Topological polar surface area30.2
Hydrogen bond donors0
Hydrogen bond acceptors2
Rotatable bonds2
Heavy atoms9
Formal charge0
Complexity101
Boiling point79-81 °C/12 mmHg (lit.)
Density1.055 g/mL at 25 °C (lit.)
Refractive indexn20/D 1.522(lit.)
Flash point150 °F
Storage conditionsSealed in dry,2-8°C
Physical stateliquid
Specific gravity1.055
SensitivityAir Sensitive
BRN1982
InChI1S/C7H8O2/c1-2-6-3-4-7(5-8)9-6/h3-5H,2H2,1H3
InChIKeyXADGZBXFWQHBDB-UHFFFAOYSA-N
SMILES[H]C(=O)c1ccc(CC)o1
LogP (partition coefficient)1.179 (est)
CAS DataBase Reference23074-10-4(CAS DataBase Reference)
FDA UNIIYYH2MYA6S7
UNSPSC Code12352100
NACRESNA.22
GHS pictogramGHS07
Signal wordWarning
GHS hazard statementsH227
GHS precautionary statementsP210e-P280a-P370+P378a-P403+P235-P501a
Hazard symbolsXi
Safety statements (S)24/25
Water hazard class (WGK)3
Hazard classIRRITANT
Customs code29321900
Storage class10 - Combustible liquids

Safety & Regulations

GHS classificationWarningH227 (100%): Combustible liquid [Warning Flammable liquids]P210, P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P370+P378, P403, P403+P233, P405, and P501 (click each P-code to see the statement)The GHS information provided by 1 company from 1 notification to the ECHA C&L Inventory.
Hazard Classes and CategoriesFlam. Liq. 4 (100%)
Water hazard class (WGK)3
Customs code29321900
Signal wordWarning
GHS pictogramGHS07
Hazard symbolsXi
Safety statements (S)24/25
Hazard classIRRITANT
Storage class10 - Combustible liquids
GHS hazard statementsH227
GHS precautionary statementsP210e-P280a-P370+P378a-P403+P235-P501a

Applications & Uses

Uses

5-Ethyl-2-furaldehyde was used in the synthesis of N-(tert-butoxycarbonyl)-3-(benzoxazol-5-yl)alanine methyl ester derivatives.