1-benzofuran
2,3-benzofuran
Identification
| Name | 1-benzofuran |
| CAS Number | 271-89-6 |
| EINECS | 205-982-6 |
| FDA UNII | LK6946W774 |
| Molecular Formula | C8 H6 O |
| Molecular Weight | 118.13502000 |
| MDL Number | MFCD00005847 |
| Nikkaji Number | J5.447J |
| Beilstein | 0107704 |
| XlogP3 | 2.70 (est) |
Regulatory
| FDA Mainterm (IAUFC) | 271-89-6 ; BENZOFURAN |
Physical Properties
| Appearance | colorless to pale yellow clear liquid (est) |
| Assay | 95.00 to 100.00 |
| Food Chemicals Codex Listed | No |
| Specific Gravity | 1.09600 to 1.09900 @ 25.00 °C. |
| Pounds per Gallon - (est). | 9.120 to 9.145 |
| Refractive Index | 1.56600 to 1.56800 @ 20.00 °C. |
| Melting Point | -17.00 °C. @ 760.00 mm Hg |
| Boiling Point | 174.00 °C. @ 760.00 mm Hg, 165.00 to 166.00 °C. @ 760.00 mm Hg (est) |
| Vapor Pressure | 0.440000 mmHg @ 25.00 °C. |
| Flash Point | 133.00 °F. TCC ( 56.11 °C. ) |
| logP (o/w) | 2.670 |
| Soluble in | alcohol |
| Insoluble in | water |
Organoleptic Properties
| Taste Description | styrene aromatic |
Safety Information
| Preferred SDS | View |
| Oral/Parenteral Toxicity | intraperitoneal-mouse LD50 500 mg/kg |
| Dermal Toxicity | Not determined |
| Inhalation Toxicity | Not determined |
GHS Classification
['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements']
Safety in Use
| Category | natural substances and extractives |
| Recommendation for 1-benzofuran usage levels up to | not for fragrance use. |
| Recommendation for 1-benzofuran flavor usage levels up to | not for flavor use. |
Potential Uses
Natural Occurrence
Synonyms
benzo(b)furan
2,3-
benzofuran
cumarone
1-
oxidene
1-
oxindene
US Patents:
3,931,166 - Certain 2,5-dimethyl-3-thiopyrazines