Methyl Chavicol
Aroma Chemical Top Note CAS 140-67-0
Sweet anisic with a basil and tarragon character and a soft green, herbal facet. It adds a sweet, aromatic lift to spicy and masculine accords.
Odor profile
| Note | Top Note |
| Descriptor 1 | Herbal |
| Descriptor 2 | Anisic |
| Descriptor 3 | Tarragon |
| Odor Impact1 | 200 |
| Impact Level | Medium |
| Tenacity1 | 0.24 h |
| Tenacity2 | 8 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 | 140-67-0 |
| INCI Name | Allylanisole |
| Category | Aroma Chemical |
| Formula | C10H12O |
| Mol. Weight | 148.20 |
| IUPAC Name | 1-methoxy-4-prop-2-enylbenzene |
| InChIKey | ZFMSMUAANRJZFM-UHFFFAOYSA-N |
Synonyms
Estragole, 4-Allylanisole, 1-Allyl-4-methoxybenzene, p-Allylanisole, Esdragol, Chavicol methyl ether, Esdragole, Isoanethole, Esdragon, Estragol, Anisole, p-allyl-, Methylchavicol, 1-methoxy-4- 2-propen-1-yl Benzene, Methoxyallyl benzene, P, P-allyl Anisole, Chavicyl Methyl Ether, 4-allyl anisole, para-allyl anisole, p-allyl methoxybenzene, para-allyl methoxybenzene, 4-allyl-1-methoxybenzene, 1-allyl-4-methoxybenzol, para-allylanisole, 4-allylphenyl methyl ether, iso anethole, benzene, 1-methoxy-4-(2-propen-1-yl)-, benzene, 1-methoxy-4-(2-propenyl)-, estragol (ex star anise), estragol nat, estragole (natural), estragole extra FCC (natural), estragole FCC, estragole natural, estragole natural isolate, estragole spain, natural isolated constituent, 1-methoxy-4-(2-propen-1-yl) benzene, 1-methoxy-4-(2-propen-1-yl)benzene, 1-methoxy-4-(2-propenyl)benzene
Physical and chemical data
| Boiling Point | 216.1 °C |
| Flash Point | 81.1 °C |
| Density | 0.965 |
| Refractive Index | 1.5195 |
| Vapor Pressure | 0.05 [mmHg] |
| LogP | 3.4 |
| Solubility | In water, 178 mg/L at 25 °C |
| Appearance | Estragole is a colorless liquid with odor of anise. Insoluble in water. Isolated from rind of persea gratissima grath. and from oil of estragon. Found in oils of Russian anise, basil, fennel turpentin |
Regulatory status
IFRA maximum concentrations
| Category | Use | Limit in the finished product |
|---|---|---|
| Category 1 | Lip products, toys | 0.00031 % |
| Category 2 | Deodorants, antiperspirants | 0.0025 % |
| Category 3 | Eye products | 0.00063 % |
| Category 4 | Fine fragrance | 0.014 % |
| Category 5A | Body lotion | 0.0022 % |
| Category 5B | Face cream | 0.00063 % |
| Category 5C | Hand cream | 0.00063 % |
| Category 5D | Baby creams, oils | 0.00021 % |
| Category 6 | Oral care, mouthwash | 0.0019 % |
| Category 7A | Rinse-off hair products | 0.00063 % |
| Category 7B | Leave-on hair products | 0.00063 % |
| Category 8 | Intimate and baby wipes | 0.00021 % |
| Category 9 | Soap, shampoo, rinse-off | 0.0041 % |
| Category 10A | Household care, hand contact | 0.00094 % |
| Category 10B | Aerosol air fresheners | 0.0022 % |
| Category 11A | Intended skin contact | 0.00021 % |
| Category 11B | Minimal skin contact | 0.00021 % |
| Category 12 | No skin contact, candles | 0.11 % |
| IFRA Amendment | 51 |
| Restriction Type | Restriction |
| Critical Effect | Dermal Sensitization And Systemic Toxicity |
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.