Benzaldehyde
Aroma Chemical Top Note CAS 100-52-7
Strong, sweet bitter almond with a cherry and marzipan character and a soft, slightly spicy nuance. Powerful and diffusive, it builds almond, cherry and stone fruit accords.
Odor profile
| Note | Top Note |
| Descriptor 1 | Fruity |
| Descriptor 2 | Cherry |
| Descriptor 3 | Almond |
| Odor Impact1 | 500 |
| Tenacity1 | 1.5 h |
| Tenacity2 | 4 h |
1 Source: PerfumersWorld
2 Source: The Good Scents Company
Both tenacity figures are blotter life. The two labs use different evaluation protocols, so the numbers are not directly comparable — read them as two independent readings, not as a contradiction.
Identification
| CAS Number | 100-52-7 |
| INCI Name | Benzaldehyde |
| Category | Aroma Chemical |
| Formula | C7H6O |
| Mol. Weight | 106.12 |
| IUPAC Name | benzaldehyde |
| InChIKey | HUMNYLRZRPPJDN-UHFFFAOYSA-N |
Synonyms
Benzene Methylal, Benzoyl Hydride, Bitter almond Oil, Benzene Carboxaldehyde, Phenyl Methanal, Benzenemethanal, Amandiol, Amandol Bitter Almond oil, Benzoic aldehyde, Benzene carbonal, Amandol, almond artificial essential oil, artificial bitter almond oil, artificial almond oil, bitter almond oil synthetic, nat. benzaldehyde, benzaldehyde (bitter almond oil ex-prunus spp), benzaldehyde (bitter almond) ess. oil (residue from prunus kernel spp) (for fragrance), benzaldehyde (natural), benzaldehyde (naturals) 99%, (naturals), benzaldehyde DD, benzaldehyde EEC natural, benzaldehyde FCC, benzaldehyde FCC synthetic, benzaldehyde natural, benzaldehyde natural isolate, benzaldehyde synthetic, benzaldehyde USP/NF, natural, benzanoaldehyde, benzarone, benzene carbaldehyde, benzenecarbinal, benzenecarbonal, benzenemethylal, benzoic acid aldehyde, benzylaldehyde, phenylformaldehyde, phenylketone, benzaldehyde, benzaldehyde rectified FCC
Physical and chemical data
| Boiling Point | 178.9 °C |
| Melting Point | -26.1 °C |
| Flash Point | 64.4 °C |
| Density | 1.046 |
| Refractive Index | 1.5456 |
| Vapor Pressure | 1 mmHg at 79.2 °F ; 5 mmHg at 122.2 °F; 10 mmHg at 144 °F (NTP, 1992) |
| LogP | 1.5 |
| Solubility | In water, 6950 mg/L at 25 °C |
| Appearance | Benzaldehyde appears as a clear colorless to yellow liquid with a bitter almond odor. Flash point near 145 °F. More denser than water and insoluble in water. Hence sinks in water. Vapors are heavier t |
Regulatory status
IFRA maximum concentrations
| Category | Use | Limit in the finished product |
|---|---|---|
| Category 1 | Lip products, toys | 0.045 % |
| Category 2 | Deodorants, antiperspirants | 0.014 % |
| Category 3 | Eye products | 0.27 % |
| Category 4 | Fine fragrance | 0.25 % |
| Category 5A | Body lotion | 0.064 % |
| Category 5B | Face cream | 0.064 % |
| Category 5C | Hand cream | 0.064 % |
| Category 5D | Baby creams, oils | 0.021 % |
| Category 6 | Oral care, mouthwash | 0.15 % |
| Category 7A | Rinse-off hair products | 0.52 % |
| Category 7B | Leave-on hair products | 0.52 % |
| Category 8 | Intimate and baby wipes | 0.021 % |
| Category 9 | Soap, shampoo, rinse-off | 0.49 % |
| Category 10A | Household care, hand contact | 0.49 % |
| Category 10B | Aerosol air fresheners | 1.8 % |
| Category 11A | Intended skin contact | 0.021 % |
| Category 11B | Minimal skin contact | 0.021 % |
| Category 12 | No skin contact, candles | Not restricted |
| IFRA Amendment | 49 |
| Restriction Type | Restriction |
| Critical Effect | Dermal Sensitization And Systemic Toxicity |
EU allergen declaration
| Substance | Share |
|---|---|
| Benzaldehyde | 100 % |
Substances that must be named in the ingredient list under Annex III of Regulation (EC) 1223/2009, as amended by Regulation (EU) 2023/1545. Where a range was given, the upper bound is shown.
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.