Benzyl Alcohol (ba)
Aroma Chemical Base Note CAS 100-51-6
Very faint, soft floral with a light sweet, slightly almond character. Mostly a gentle solvent and blender, it adds a delicate lift to jasmine and white floral accords.
Odor profile
| Note | Base Note |
| Descriptor 1 | Balsamic |
| Descriptor 2 | Fruity |
| Descriptor 3 | Floral |
| Odor Impact1 | 5 |
| Impact Level | Medium |
| Tenacity1 | 50 h |
| Tenacity2 | 35 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 | 100-51-6 |
| INCI Name | Benzyl alcohol |
| Category | Aroma Chemical |
| Formula | C7H8O |
| Mol. Weight | 108.14 |
| IUPAC Name | phenylmethanol |
| InChIKey | WVDDGKGOMKODPV-UHFFFAOYSA-N |
Synonyms
Benzyl alcohol, Alpha-hydroxy Toluene, Phenyl Methanol, phenyl Methyl Alcohol, Hydroxy Toluene, Alpha, Phenyl Carbinol, Benzenemethanol, Bentalol, a-hydroxy toluene Phenyl methanol, Phenylcarbinol, alpha-Hydroxytoluene, benzencarbinol, benzene carbinol, benzene methanol, benzenecarbinol, benzoyl alcohol, nat. benzyl alcohol, benzyl alcohol DD, benzyl alcohol FCC, benzyl alcohol N.F., benzyl alcohol natural, benzyl alcohol NF FCC, benzylalcohol, benzylic alcohol, benzylicum, ( hydroxymethyl) benzene, ( hydroxymethyl)benzene, hydroxytoluene, a-hydroxytoluene, methanol, phenyl-, phenol carbinol, phenyl carbinolum, phenyl-methanol, phenylmethan-1-ol, phenylmethanol, phenylmethyl alcohol, a-toluenol, alpha-toluenol, ulesfia
Physical and chemical data
| Boiling Point | 205.0 °C |
| Melting Point | -15.3 °C |
| Flash Point | 100.6 °C |
| Density | 1.0419 |
| Refractive Index | 1.5396 |
| Vapor Pressure | 0.1 mmHg at 68 °F ; 1 mmHg at 136 °F (NTP, 1992) |
| LogP | 1.1 |
| Solubility | Soluble in water, ethanol and ether |
| Appearance | Benzyl alcohol appears as a clear colorless liquid with a pleasant odor. Slightly denser than water. Flash point 194 °F. Boiling point 401 °F. Contact may irritate skin, eyes, and mucous membranes. Ma |
Regulatory status
IFRA maximum concentrations
| Category | Use | Limit in the finished product |
|---|---|---|
| Category 1 | Lip products, toys | 0.45 % |
| Category 2 | Deodorants, antiperspirants | 0.14 % |
| Category 3 | Eye products | 0.34 % |
| Category 4 | Fine fragrance | 2.5 % |
| Category 5A | Body lotion | 0.64 % |
| Category 5B | Face cream | 0.17 % |
| Category 5C | Hand cream | 0.34 % |
| Category 5D | Baby creams, oils | 0.057 % |
| Category 6 | Oral care, mouthwash | 1.5 % |
| Category 7A | Rinse-off hair products | 0.68 % |
| Category 7B | Leave-on hair products | 0.68 % |
| Category 8 | Intimate and baby wipes | 0.057 % |
| Category 9 | Soap, shampoo, rinse-off | 2.2 % |
| Category 10A | Household care, hand contact | 2.2 % |
| Category 10B | Aerosol air fresheners | 8.5 % |
| Category 11A | Intended skin contact | 0.057 % |
| Category 11B | Minimal skin contact | 0.057 % |
| Category 12 | No skin contact, candles | Not restricted |
| IFRA Amendment | 49 |
| Restriction Type | Restriction |
| Critical Effect | Dermal Sensitization And Systemic Toxicity |
Restricted components
| Component | Share |
|---|---|
| Benzaldehyde | 0.05 % |
IFRA regulated substances contained in this material. The interactive index derives the effective maximum concentration per category from them.
EU allergen declaration
| Substance | Share |
|---|---|
| Benzaldehyde | 0.05 % |
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.