Furfural
Aroma Chemical Top Note CAS 98-01-1
A sweet note with a bitter almond character and a baked bread facet. Warm and gourmand, it adds a roasted nuance to coffee, food and gourmand accords.
Odor profile
| Note | Top Note |
| Descriptor 1 | Food-like |
| Descriptor 2 | Bread |
| Descriptor 3 | Coffee |
| Tenacity2 | 4 h |
2 Source: The Good Scents Company
Identification
| CAS Number | 98-01-1 |
| INCI Name | 2-furaldehyde |
| Category | Aroma Chemical |
| Formula | C5H4O2 |
| Mol. Weight | 96.08 |
| IUPAC Name | furan-2-carbaldehyde |
| InChIKey | HYBBIBNJHNGZAN-UHFFFAOYSA-N |
Synonyms
2-Furaldehyde, furan-2-carbaldehyde, 2-Furancarboxaldehyde, Furaldehyde, Furfuraldehyde, 2-Formylfuran, Fural, 2-Furanaldehyde, 2-Furancarbonal, 2-Furfuraldehyde, 2-Furfural, Furfurylaldehyde, 2-formyl furan, formylfuran, 2-furan aldehyde, 2-furan carbonal, 2-furan carboxaldehyde, furan-2-carboxaldehyde, furfural (furfuraldehyde) redist, furfural (natural), furfural crude, furfural natural, furfural synthetic, furfural-refined flavor grade, a-furfuraldehyde, alpha-furfuraldehyde, furfuryl aldehyde, a-furole, 2-furyl aldehyde, 2-furyl carboxaldehyde, 2-furyl methanal, 2-furylcarboxaldehyde, 2-furylmethanal, pyromucic aldehyde
Physical and chemical data
| Boiling Point | 161.7 °C |
| Melting Point | -36.5 °C |
| Flash Point | 60.0 °C |
| Density | 1.1594 |
| Refractive Index | 1.5261 |
| Vapor Pressure | 1 mmHg at 68 °F ; 3 mmHg at 86 °F; 10 mmHg at 122 °F (NTP, 1992) |
| LogP | 0.4 |
| Solubility | Soluble in alcohol, ether; 8.3% soluble in water at 20 °C |
| Appearance | Furfural appears as colorless or reddish-brown mobile liquids with a penetrating odor. Flash points 140 °F. Denser than water and soluble in water. Vapors heavier than air. May be toxic by ingestion, |
Regulatory status
IFRA maximum concentrations
| Category | Use | Limit in the finished product |
|---|---|---|
| Category 1 | Lip products, toys | 0.0010 % |
| Category 2 | Deodorants, antiperspirants | 0.0010 % |
| Category 3 | Eye products | 0.0010 % |
| Category 4 | Fine fragrance | 0.0010 % |
| Category 5A | Body lotion | 0.0010 % |
| Category 5B | Face cream | 0.0010 % |
| Category 5C | Hand cream | 0.0010 % |
| Category 5D | Baby creams, oils | 0.0010 % |
| Category 6 | Oral care, mouthwash | 0.0010 % |
| Category 7A | Rinse-off hair products | 0.0010 % |
| Category 7B | Leave-on hair products | 0.0010 % |
| Category 8 | Intimate and baby wipes | 0.0010 % |
| Category 9 | Soap, shampoo, rinse-off | 0.0010 % |
| Category 10A | Household care, hand contact | 0.0010 % |
| Category 10B | Aerosol air fresheners | 0.0010 % |
| Category 11A | Intended skin contact | 0.0010 % |
| Category 11B | Minimal skin contact | 0.0010 % |
| Category 12 | No skin contact, candles | 0.050 % |
| IFRA Amendment | 49 |
| Restriction Type | Restriction |
| Critical Effect | Carcinogenicity |
All figures on this page are guide values collected from public reference works and supplier declarations. They differ between batches, origins and qualities. The data sheet of your own supplier is always the authoritative document for the material you actually use.