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Estragole aka. Methyl Chavicol Aroma Chemical
CAS# 140-67-0

Herbal, Sweet, Spicy, Green, Phenolic

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Estragole (also known as Methyl Chavicol, CAS# 140-67-0) is an aromatic molecule naturally present in basil, tarragon, fennel and star anise. It carries a distinctive spicy–herbal character, reminiscent of anise and licorice, with a warm sweetness and a fresh green nuance of basil leaf. The overall impression is sweet, warm, slightly sharp in the top notes but softening over time, evoking both culinary accords and a refined modern East–meets–West style.

In perfumery, Estragole is used to build and reinforce anise, licorice and culinary herb facets, as well as fougère–aromatic structures and scents inspired by the kitchen, bar, or patisserie. Even in very small amounts, it can bring liveliness to floral–herbal compositions, deepen anisic tones, and enhance the natural realism of basil, tarragon, and liqueur-like notes such as absinthe or pastis. Its profile is vivid and well-defined without feeling crude, adding personality and dynamism to the formula.

From a technical perspective, Estragole is a colorless to pale yellow liquid with medium to relatively high volatility, good diffusion, and easy solubility in ethanol, most professional fragrance solvents and perfume oils. It is a high-impact material typically used at low dosage levels, and should be handled in accordance with applicable safety guidelines and industry standards. Store in a cool, dry place, away from direct light, and keep containers tightly closed after use to limit oxidation and maintain olfactory quality.

Technical standards

Solubility @25˚C

Solvent Solubility (g/L)
ethanol 2424.81
methanol 1541.2
isopropanol 1534.68
water 0.52
ethyl acetate 3875.48
n-propanol 1953.45
acetone 2010.1
n-butanol 1642.5
acetonitrile 2628.1
DMF 1088.68
toluene 1155.25
isobutanol 1088.08
1,4-dioxane 4393.39
methyl acetate 2798.9
THF 2627.25
2-butanone 2065.43
n-pentanol 1012.42
sec-butanol 1458.93
n-hexane 274.0
ethylene glycol 380.8
NMP 669.66
cyclohexane 464.27
DMSO 2157.65
n-butyl acetate 1423.45
n-octanol 237.47
chloroform 4584.54
n-propyl acetate 1152.07
acetic acid 1268.24
dichloromethane 4823.04
cyclohexanone 1581.35
propylene glycol 611.72
isopropyl acetate 1052.7
DMAc 826.57
2-ethoxyethanol 1413.3
isopentanol 1074.97
n-heptane 165.06
ethyl formate 1076.08
1,2-dichloroethane 3484.45
n-hexanol 1072.27
2-methoxyethanol 2127.04
isobutyl acetate 501.98
tetrachloromethane 789.5
n-pentyl acetate 411.04
transcutol 4127.09
n-heptanol 256.06
ethylbenzene 407.88
MIBK 610.45
2-propoxyethanol 1478.79
tert-butanol 1638.18
MTBE 1891.14
2-butoxyethanol 476.0
propionic acid 1241.43
o-xylene 428.31
formic acid 325.67
diethyl ether 4010.43
m-xylene 505.55
p-xylene 369.17
chlorobenzene 1191.58
dimethyl carbonate 532.09
n-octane 43.25
formamide 670.88
cyclopentanone 1427.02
2-pentanone 1516.25
anisole 896.71
cyclopentyl methyl ether 1478.66
gamma-butyrolactone 1629.73
1-methoxy-2-propanol 1280.48
pyridine 2593.18
3-pentanone 1311.8
furfural 1307.42
n-dodecane 28.15
diethylene glycol 934.68
diisopropyl ether 541.15
tert-amyl alcohol 1309.26
acetylacetone 1216.86
n-hexadecane 33.53
acetophenone 541.36
methyl propionate 1970.58
isopentyl acetate 872.56
trichloroethylene 4833.15
n-nonanol 205.52
cyclohexanol 1079.73
benzyl alcohol 586.88
2-ethylhexanol 521.99
isooctanol 199.18
dipropyl ether 998.72
1,2-dichlorobenzene 821.33
ethyl lactate 308.77
propylene carbonate 827.13
n-methylformamide 854.18
2-pentanol 1071.63
n-pentane 300.58
1-propoxy-2-propanol 929.5
1-methoxy-2-propyl acetate 1019.02
2-(2-methoxypropoxy) propanol 497.65
mesitylene 255.71
ε-caprolactone 1365.11
p-cymene 192.97
epichlorohydrin 2922.36
1,1,1-trichloroethane 2740.44
2-aminoethanol 773.3
morpholine-4-carbaldehyde 1292.95
sulfolane 1410.42
2,2,4-trimethylpentane 103.7
2-methyltetrahydrofuran 2592.07
n-hexyl acetate 523.99
isooctane 82.25
2-(2-butoxyethoxy)ethanol 762.48
sec-butyl acetate 609.39
tert-butyl acetate 874.86
decalin 139.44
glycerin 565.28
diglyme 1562.74
acrylic acid 816.8
isopropyl myristate 197.58
n-butyric acid 1489.03
acetyl acetate 1108.12
di(2-ethylhexyl) phthalate 167.56
ethyl propionate 990.54
nitromethane 2237.49
1,2-diethoxyethane 1910.29
benzonitrile 748.21
trioctyl phosphate 112.34
1-bromopropane 2326.78
gamma-valerolactone 1710.82
n-decanol 158.21
triethyl phosphate 249.22
4-methyl-2-pentanol 378.29
propionitrile 1794.41
vinylene carbonate 793.73
1,1,2-trichlorotrifluoroethane 1447.82
DMS 560.48
cumene 201.55
2-octanol 156.78
2-hexanone 908.58
octyl acetate 234.95
limonene 322.09
1,2-dimethoxyethane 1930.91
ethyl orthosilicate 273.3
tributyl phosphate 178.75
diacetone alcohol 742.27
N,N-dimethylaniline 386.88
acrylonitrile 1653.81
aniline 1198.91
1,3-propanediol 1043.26
bromobenzene 1337.35
dibromomethane 3237.42
1,1,2,2-tetrachloroethane 3545.31
2-methyl-cyclohexyl acetate 385.69
tetrabutyl urea 191.37
diisobutyl methanol 258.13
2-phenylethanol 569.22
styrene 614.18
dioctyl adipate 284.3
dimethyl sulfate 583.15
ethyl butyrate 826.38
methyl lactate 420.63
butyl lactate 267.27
diethyl carbonate 520.46
propanediol butyl ether 384.83
triethyl orthoformate 463.08
p-tert-butyltoluene 185.09
methyl 4-tert-butylbenzoate 320.45
morpholine 4516.65
tert-butylamine 1121.23
n-dodecanol 128.52
dimethoxymethane 1416.67
ethylene carbonate 767.65
cyrene 351.58
2-ethoxyethyl acetate 773.11
2-ethylhexyl acetate 684.84
1,2,4-trichlorobenzene 984.69
4-methylpyridine 1809.32
dibutyl ether 574.38
2,6-dimethyl-4-heptanol 258.13
DEF 1382.18
dimethyl isosorbide 716.21
tetrachloroethylene 2242.5
eugenol 335.82
triacetin 500.58
span 80 378.92
1,4-butanediol 377.42
1,1-dichloroethane 3299.58
2-methyl-1-pentanol 723.94
methyl formate 666.98
2-methyl-1-butanol 1054.68
n-decane 50.79
butyronitrile 1585.11
3,7-dimethyl-1-octanol 287.69
1-chlorooctane 227.53
1-chlorotetradecane 83.77
n-nonane 55.84
undecane 36.06
tert-butylcyclohexane 122.41
cyclooctane 138.37
cyclopentanol 828.11
tetrahydropyran 3794.04
tert-amyl methyl ether 1112.08
2,5,8-trioxanonane 913.98
1-hexene 904.12
2-isopropoxyethanol 865.26
2,2,2-trifluoroethanol 306.07
methyl butyrate 1108.92

Scent© AI

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  • CAS NO.

    140-67-0

  • OLFACTIVE FAMILY

    Herbal

  • BRAND

    Scent.vn

Olfactory Pyramid

heart

Notes

Herbal
Sweet
Spicy
Green
Phenolic

IFRA standard 51

Recommendation
Restriction
Maximum acceptable concentrations in the finished product (%)
Category 1
Products applied to the lips
 0.00031 % Category 7A
Rinse-off products applied to the hair with some hand contact
 0.00063 %
Category 2
Products applied to the axillae
 0.0025 % Category 7B
Leave-on products applied to the hair with some hand contact
 0.00063 %
Category 3
Products applied to the face/body using fingertips
 0.00063 % Category 8
Products with significant anogenital exposure
 0.00021 %
Category 4
Products related to fine fragrance
 0.014 % Category 9
Products with body and hand exposure, primarily rinse off
 0.0041 %
Category 5A
Body lotion products applied to the body using the hands (palms), primarily leave on
 0.0022 % Category 10A
Household care products with mostly hand contact
 0.00094 %
Category 5B
Face moisturizer products applied to the face using the hands (palms), primarily leave on
 0.00063 % Category 10B
Household care products with mostly hand contact, including aerosol/spray products (with potential leave-on skin contact)
 0.0022 %
Category 5C
Hand cream products applied to the hands using the hands (palms), primarily leave on
 0.00063 % Category 11A
Products with intended skin contact but minimal transfer of fragrance to skin from inert substrate without UV exposure
 0.00021 %
Category 5D
Baby Creams, baby Oils and baby talc
 0.00021 % Category 11B
Products with intended skin contact but minimal transfer of fragrance to skin from inert substrate with potential UV exposure
 0.00021 %
Category 6
Products with oral and lip exposure
 0.0019 % Category 12
Products not intended for direct skin contact, minimal or insignificant transfer to skin
 0.11 %

Shipping & Returns

  • All orders will be processed within 1-2 business days from the time the order is confirmed.
  • Free shipping is available for orders valued at $200 or more.
  • Delivery time is 1-3 business days for local areas, 3-7 days for suburban and nationwide deliveries, and 1-4 weeks for international orders.
  • You have 30 days from the date of receipt to initiate the return process.
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Certificates of Quality

  • Certificate of Analysis (COA)

    Provides information on the physical and chemical properties of the product.
    Download  

  • IFRA Certificate of Conformity

    Sets safety standards and guidelines for the product in manufacturing.
    Download  

  • Safety Data Sheet (SDS)

    Provides important safety guidelines for transporting, storing, and using the product.
    Download  
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