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Synthetic aroma chemicals

Estragole

Also known as 4-Allylanisole, 1-Allyl-4-methoxybenzene, p-Allylanisole

CAS 140-67-0Formula C10H12OMolar mass 148.21 g/molEC 205-427-8
GHS signal word: Warning. Pictograms: Harmful or irritant, Serious health hazard 57 suppliers listed
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Estragole chemical structure, C10H12O, CAS 140-67-0
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Liquid
Boiling point
216 °C
Density
0.965 g/cm³ at 25 °C
Flash point
81 °C
Solubility
In water, 178 mg/L at 25 °C
HS code
290930
Category
Synthetic aroma chemicals
Illustrative photo, 200 litre steel drums of liquid in a chemical plant
Typical packagingIllustrative packaging image, not the actual product

What is Estragole?

Plain description, key identifiers and synonyms

Estragole is a phenylpropanoid that is chavicol in which the hydroxy group is replaced by a methoxy group. It has a role as an insect attractant, a flavouring agent, a genotoxin, a carcinogenic agent and a plant metabolite. It is an alkenylbenzene, a monomethoxybenzene and a phenylpropanoid. It is functionally related to a chavicol.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1-methoxy-4-prop-2-enylbenzene
CAS number
140-67-0 CAS number cross-checkedOther or deprecated CAS: 77525-18-9
EC number
205-427-8
Molecular formula
C10H12O
UNII
9NIW07V3ET
MDL number
MFCD00008653
INCI name
ALLYLANISOLE
InChIKey
ZFMSMUAANRJZFM-UHFFFAOYSA-N
InChI
InChI=1S/C10H12O/c1-3-4-9-5-7-10(11-2)8-6-9/h3,5-8H,1,4H2,2H3
SMILES (canonical and isomeric)
COC1=CC=C(C=C1)CC=C

Synonyms

  • 4-Allylanisole
  • 1-Allyl-4-methoxybenzene
  • p-Allylanisole
  • Methyl chavicol
  • Esdragol
  • Chavicol methyl ether
  • Esdragole
  • Isoanethole
  • Esdragon
  • Estragol
  • Anisole, p-allyl-
  • Methylchavicol
  • 4-Methoxyallylbenzene
  • p-Methoxyallylbenzene
  • Terragon
  • 1-methoxy-4-prop-2-enylbenzene
  • 4-Allylmethoxybenzene
  • Chavicyl methyl ether
  • 4-Allyl-1-methoxybenzene
  • 1-Methoxy-4-(2-propenyl)benzene
  • Benzene, 1-methoxy-4-(2-propenyl)-
  • p-Allylmethoxybenzene
  • Chavicol, O-methyl-
  • 3-(p-Methoxyphenyl)propene
  • Allylphenyl methyl ether, p-
Show all 38 synonyms
  • 1-Methoxy-4-(2-propen-1-yl)benzene
  • 1-methoxy-4-(prop-2-en-1-yl)benzene
  • Benzene, 1-methoxy-4-(2-propen-1-yl)-
  • AUSTL 21320
  • 1-allyl-4-methoxy-benzene
  • Methyl chavicole
  • 4-allylanisol
  • 3-(4-Methoxyphenyl)-1-propene
  • p-Allylphenyl methyl ether
  • Ether, p-allylphenyl methyl
  • Benzene, 1-methoxy, 4-prop-2-enyl
  • Estragole (natural)
  • 1-methoxy-4-(2-propenyl)-benzene

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

Appearance
Liquidexp.
Odour
Odor reminiscent of anise with a corresponding sweet taste (differing from anethole)exp.
Taste
Sweet taste reminiscent of anise (differing from anethole)exp.
Boiling point
216 °Cexp.
Density
0.965 g/cm³ at 25 °Cexp.
Flash point
81 °Cexp.
Solubility
In water, 178 mg/L at 25 °Cexp.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
148.21 g/molcalc.
Exact mass
148.0888 Dacalc.
LogP (octanol/water)
2.42calc.
Topological polar surface area
9.23 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
3calc.
Heavy atoms
11calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.2calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, c1ccccc1

c1ccccc1

1 ring, 6 atoms, the Benzene ring system.

485,677 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant
GHS08: Serious health hazard
Serious health hazard

Hazard statements

  • H302Harmful if swallowed.
  • H315Causes skin irritation.
  • H317May cause an allergic skin reaction.
  • H341Suspected of causing genetic defects.
  • H351Suspected of causing cancer.
  • H412Harmful to aquatic life with long lasting effects.
Precautionary statements (17)
  • P203Obtain, read and follow all safety instructions before use.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P272Contaminated work clothing should not be allowed out of the workplace.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P302 + P352If on skin: Wash with plenty of water.
  • P318If exposed or concerned, get medical advice.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P332 + P317If skin irritation occurs: Get medical help.
  • P333 + P317If skin irritation or rash occurs: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Estragole suppliers

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All 57 suppliers
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Where suppliers are based

57 suppliers in 8 countries

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Estragole price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

In perfumes and as flavor in foods and liqueurs.

Reported uses (ppm):

Table: Reported uses (ppm): (Flavor and Extract Manufacturers' Association, 1994) [Table#5398].

Industrial uses: Intermediate.

Cosmetic ingredient, INCI name ALLYLANISOLE(perfuming)

Roles

  • additive
  • aetiopathogenetic role
  • carcinogenic agent
  • eukaryotic metabolite
  • flavouring agent
  • food additive
  • food component
  • genotoxin
  • insect attractant
  • metabolite
  • physiological role
  • plant metabolite

Functional uses

  • Flavouring and nutrient
  • Fragrance

Cosmetic functions

  • Perfuming

How it is made

Obtained by fractional distillation of the oil of turpentine or by treating a solution of the same oil in ether with an aqueous solution of mercuric acetate and subsequently heating the aqueous phase with zinc and sodium hydroxide, forms allyl bromide and magnesium p-methoxy phenate in ether.

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • EU cosmetic ingredient inventory

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Estragole is traded under.

HS 2909.30Indicative HS code

Aromatic ethers and their halogenated, sulphonated, nitrated or nitrosated derivatives

World exports in 2024
$470M
−2.2% vs 2023, imports $432M
2019 to 2024
Top exporters
  1. China45.7%
  2. Germany15.7%
  3. India * partner reported9.9%
Top importers
  1. United States14.3%
  2. China11.8%
  3. India * partner reported8.3%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Estragole is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Estragole, based on the data on this page

What is Estragole?

Estragole is a phenylpropanoid that is chavicol in which the hydroxy group is replaced by a methoxy group. It has a role as an insect attractant, a flavouring agent, a genotoxin, a carcinogenic agent and a plant metabolite. It is an alkenylbenzene, a monomethoxybenzene and a phenylpropanoid.

What is the CAS number of Estragole?

The CAS registry number of Estragole is 140-67-0. Other or deprecated CAS numbers: 77525-18-9.

What is the molecular formula and weight of Estragole?

The molecular formula of Estragole is C10H12O and its molar mass is 148.21 g/mol.

What is Estragole used for?

In perfumes and as flavor in foods and liqueurs. Reported uses (ppm): Table: Reported uses (ppm): (Flavor and Extract Manufacturers' Association, 1994) [Table#5398]. Industrial uses: Intermediate.

Is Estragole hazardous?

Estragole carries the GHS signal word "Warning". Main hazards: harmful if swallowed, causes skin irritation, may cause an allergic skin reaction. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Estragole?

Estragole is usually classified under HS code 290930 (Aromatic ethers and their halogenated, sulphonated, nitrated or nitrosated derivatives). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Estragole?

CompoundList lists 57 suppliers of Estragole in India, United States, China, United Kingdom and 4 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Estragole in India?

18 suppliers in India list Estragole on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Estragole?

Suppliers quote Estragole on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Estragole

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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