Eugenol
Aroma Chemical Heart Note CAS 97-53-0
Warm, dry and spicy clove with a powerful, slightly sharp character and a soft carnation and vanillic facet. It builds clove, carnation and spicy floral accords.
Odor profile
| Note | Heart Note |
| Descriptor 1 | Spicy |
| Descriptor 2 | Clove |
| Descriptor 3 | Floral |
| Odor Impact1 | 175 |
| Tenacity1 | 48 h |
| Tenacity2 | 52 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 | 97-53-0 |
| INCI Name | Phenol, 2-methoxy-4-(2-propenyl)- |
| Category | Aroma Chemical |
| Formula | C10H12O2 |
| Mol. Weight | 164.20 |
| IUPAC Name | 2-methoxy-4-prop-2-enylphenol |
| InChIKey | RRAFCDWBNXTKKO-UHFFFAOYSA-N |
Synonyms
Methoxy-4-allyl Phenol, Allyl-2-methoxyphenol, 2-methoxy-4-allyl Phenol, 4-allyl Catechol-2-methyl Ether, 4-allyl guaiacol, 2-Methoxy-4-(2-propenyl-1)phenol, 4-Allyl-2-methoxyphenol, Fyllol 2-Methoxy4-allylphenol, Eugenic acid, Carygenol, 4-Allylcatechol-2-methylether, 4-allyl-1-hydroxy-2-methoxybenzene, 4-allyl-2-methoxy-phenol, 1-allyl-4-hydroxy-3-methoxybenzene, 4-allylcatechol-2-methyl ether, 4-allylguaiacol, p-allylguaiacol, p-eugenol, para-eugenol, eugenol (ex bay) natural, eugenol (natural), eugenol 926 indesso, eugenol 99/100% FCC (natural), eugenol ex bay natural, eugenol ex clove natural, eugenol extra USP FCC, eugenol FCC, eugenol indonesia, natural isolated constituent, eugenol natural, eugenol natural isolate, eugnol naturel, eugenol pur, eugenol pure, eugenol USP, eugenol USP FCC, eugenol USP natural, eugenol USP/BP, eugenol USP/FCC, eugenol (ex cinnamon leaf) natural, eugenol (ex clove bud)
Physical and chemical data
| Boiling Point | 253.9 °C |
| Melting Point | -9.1 °C |
| Flash Point | 103.9 °C |
| Density | 1.0652 |
| Refractive Index | 1.5405 |
| Vapor Pressure | 0.01 mmHg at 68 °F ; 0.03 mmHg at 77 °F (NTP, 1992) |
| LogP | 2 |
| Solubility | In water, 2460 mg/L at 25 °C |
| Appearance | Eugenol appears as clear colorless pale yellow or amber-colored liquid. Odor of cloves. Spicy pungent taste. (NTP, 1992) |
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 | 1.0 % |
| Category 4 | Fine fragrance | 2.5 % |
| Category 5A | Body lotion | 0.64 % |
| Category 5B | Face cream | 0.64 % |
| Category 5C | Hand cream | 0.64 % |
| Category 5D | Baby creams, oils | 0.21 % |
| Category 6 | Oral care, mouthwash | 1.5 % |
| Category 7A | Rinse-off hair products | 2.0 % |
| Category 7B | Leave-on hair products | 2.0 % |
| Category 8 | Intimate and baby wipes | 0.21 % |
| Category 9 | Soap, shampoo, rinse-off | 4.9 % |
| Category 10A | Household care, hand contact | 4.0 % |
| Category 10B | Aerosol air fresheners | 18 % |
| Category 11A | Intended skin contact | 0.21 % |
| Category 11B | Minimal skin contact | 0.21 % |
| Category 12 | No skin contact, candles | Not restricted |
| IFRA Amendment | 51 |
| Restriction Type | Restriction |
| Critical Effect | Dermal Sensitization And Systemic Toxicity |
Restricted components
| Component | Share |
|---|---|
| Methyl Eugenol | 0.02 % |
| Isoeugenol | 0.01 % |
IFRA regulated substances contained in this material. The interactive index derives the effective maximum concentration per category from them.
EU allergen declaration
| Substance | Share |
|---|---|
| Eugenol | 99.5 % |
| beta-Caryophyllene | 0.2 % |
| Eugenyl acetate | 0.03 % |
| Isoeugenol | 0.01 % |
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.