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Furfural

Names Preferred IUPAC nameFuran-2-carbaldehydeOther names Furfural, furan-2-carboxaldehyde, fural, furfuraldehyde, 2-furaldehyde, pyromucic aldehydeIdentifiers CAS Number98-01-13D model (JSmol)Interactive imageChEBICHEBI:34768ChEMBLChEMBL189362ChemSpider13863629ECHA InfoCard100.002.389KEGGC14279PubChemCID7362UNIIDJ1HGI319PCompTox Dashboard(EPA)DTXSID1020647InChIInChI=1S/C5H4O2/c6-4-5-2-1-3-7-5/h1-4HKey: HYBBIBNJHNGZAN-UHFFFAOYSA-NInChI=1/C5H4O2/c6-4-5-2-1-3-7-5/h1-4HKey: HYBBIBNJHNGZAN-UHFFFAOYADSMILESc1cc(oc1)C=OProperties Chemical formulaC5H4O2Molar mass96.085 g·mol Appearance Colorless oil OdorAlmond-like Density1.1601g/mL (20°C) Melting point−37 °C (−35 °F; 236 K) Boiling point162 °C (324 °F; 435 K) Solubility in water83g/L Vapor pressure2mmHg (20°C) Magnetic susceptibility (χ)−47.1×10cm/mol Hazards Flash point62 °C (144 °F; 335 K) Explosive limits2.1–19.3% Lethal dose or concentration (LD, LC): LD50 (median dose)300–500mg/kg (oral, mice) LC50 (median concentration)370ppm (dog, 6hr)175ppm (rat, 6hr)1037ppm (rat, 1hr)LCLo (lowest published)370ppm (mouse, 6hr)260ppm (rat)NIOSH (US health exposure limits): PEL (Permissible)TWA 5ppm (20mg/m) [skin] REL (Recommended)No established REL IDLH (Immediate danger)100ppm Related compounds Related Furan-2-carbaldehydesHydroxymethylfurfuralMethoxymethylfurfuralExcept where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).Nverify ( ?)

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