B

Benzofuran

IUPAC: 1-benzofuran

C8H6O Organic Compounds CAS 271-89-6
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Quick Reference
Formula / NotationC8H6O
CAS Number271-89-6
Molecular Weight118.13
Melting Pointless than -0.4 °F (NTP, 1992)
Boiling Point345 °F at 760 mmHg (NTP, 1992)
Density1.078 at 59 °F (NTP, 1992) - Denser than water; will sink
Solubility0.1 to 1 mg/mL at 64 °F (NTP, 1992)
Appearance2,3-benzofuran is a clear oily yellow liquid with an aromatic odor. (NTP, 1992)
Also Known As1-benzofuran; 2,3-Benzofuran; 271-89-6; Coumarone; 1-Benzofuran; Benzo[b]furan; Cumarone; Benzofurfuran; Benzo(b)furan; 1-Oxindene
CategoryOrganic Compounds

What is Benzofuran?

1-benzofuran is a benzofuran consisting of fused benzene and furan rings. It is the parent compound of the class of 1-benzofurans. It is a benzofuran and a member of 1-benzofurans.

Formula & Notation

C8H6O

IUPAC Name: 1-benzofuran

Other Names / Synonyms: 1-benzofuran; 2,3-Benzofuran; 271-89-6; Coumarone; 1-Benzofuran; Benzo[b]furan; Cumarone; Benzofurfuran; Benzo(b)furan; 1-Oxindene

Properties & Characteristics

Appearance: 2,3-benzofuran is a clear oily yellow liquid with an aromatic odor. (NTP, 1992). Molecular formula: C8H6O. Molecular weight: 118.13 g/mol. Boiling point: 345 °F at 760 mmHg (NTP, 1992). Melting point: less than -0.4 °F (NTP, 1992). Density: 1.078 at 59 °F (NTP, 1992) - Denser than water; will sink. Solubility: 0.1 to 1 mg/mL at 64 °F (NTP, 1992). Vapor pressure: 14.3 mmHg at 77 °F (NTP, 1992). LogP: 2.7.

Physical Data

PropertyValue
Melting Pointless than -0.4 °F (NTP, 1992)
Boiling Point345 °F at 760 mmHg (NTP, 1992)
Density1.078 at 59 °F (NTP, 1992) - Denser than water; will sink
Molecular Weight118.13
Solubility0.1 to 1 mg/mL at 64 °F (NTP, 1992)
Appearance2,3-benzofuran is a clear oily yellow liquid with an aromatic odor. (NTP, 1992)

Uses & Applications

Used as an industrial feedstock, solvent, pharmaceutical intermediate, flavoring agent, or chemical building block.

Safety Information

Flammable or irritant. Many organic compounds are flammable liquids or vapours. Keep away from ignition sources. Consult SDS for specific hazard data.

Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.

Key Facts

Term Benzofuran
Formula C8H6O
CAS Number 271-89-6
Molecular Weight 118.13
Synonyms 1-benzofuran; 2,3-Benzofuran; 271-89-6; Coumarone; 1-Benzofuran; Benzo[b]furan; Cumarone; Benzofurfuran; Benzo(b)furan; 1-Oxindene

Frequently Asked Questions

1-benzofuran is a benzofuran consisting of fused benzene and furan rings. It is the parent compound of the class of 1-benzofurans. It is a benzofuran and a member of 1-benzofurans.

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Editorial standards: Chemical data is sourced from peer-reviewed literature, CAS Registry, NIST WebBook, and PubChem. Safety information reflects guidance from OSHA, ECHA, and IAEA. For educational purposes only — always consult official SDS documentation and qualified professionals before handling chemicals.