319910

Furfural

ACS reagent, 99%

• Synonym(s): 2-Furaldehyde, Furan-2-carboxaldehyde
• Empirical Formula (Hill Notation): C₅H₄O₂
• CAS Number: 98-01-1
• Molecular Weight: 96.08
• Beilstein/REAXYS Number: 105755
• EC Number: 202-627-7
• MDL number: MFCD00003229
• UNSPSC Code: 12352100
• PubChem Substance ID: 24859198
• NACRES: NA.21

Properties

• grade: ACS reagent
• Quality Level: 200
• vapor density: 3.31 (vs air)
• vapor pressure: 13.5 mmHg ( 55 °C)
• assay: 99%
• form: liquid
• autoignition temp.: 599 °F
• expl. lim.: 19.3 %
• impurities: ≤0.02 meq/g
• evapn. residue: ≤0.5%
• refractive index: n20/D 1.525 (lit.)
• bp: 162 °C (lit.)
• mp: −36 °C (lit.)
• density: 1.16 g/mL at 25 °C (lit.)
• functional group: aldehyde
• SMILES string: [H]C(=O)c1ccco1
• InChI: 1S/C5H4O2/c6-4-5-2-1-3-7-5/h1-4H
• InChI key: HYBBIBNJHNGZAN-UHFFFAOYSA-N

Description

Application

Furfural can be used as a reactant to synthesize:

• Furfuryl alcohol via Cannizzaro reaction.
• Furancarboxylic acid via nickel-catalyzed oxidation.
• Dimer via base-catalyzed aldol condensation with cyclopentanone.

Safety Information

• pictograms: GHS02,GHS06,GHS08
• signalword: Danger
• hcodes: H226,H301,H312,H315,H319,H330,H335,H351,H412
• pcodes: P210 - P273 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 2 Inhalation - Acute Tox. 3 Oral - Acute Tox. 4 Dermal - Aquatic Chronic 3 - Carc. 2 - Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3
• target_organs: Respiratory system
• Storage Class: 3 - Flammable liquids
• wgk_germany: WGK 2
• flash_point_f: 136.4 °F - closed cup
• flash_point_c: 58 °C - closed cup
• ppe: Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter