Flavors & Fragrances
REACH
Estragole
CAS Number
140-67-0
EC Number
205-427-8
FEMA Number
FEMA 2411
What is Estragole?
Estragole (CAS 140-67-0), also known as para-allylanisole, is a naturally occurring phenylpropanoid ether extracted from botanical sources including tarragon, basil, and fennel. FEMA 2411.
Where is Estragole used?
- Flavor and fragrance: flavoring agent and fragrance ingredient
- Seasonings and sauces: replicates or reinforces tarragon and anise taste
- Fine fragrances, personal care and functional cosmetics: herbal top notes
- Oral care: anise character in toothpaste and mouthwash for flavor masking
- Food systems: antioxidant stabilizer via its phenylpropanoid structure, effective in fat-containing matrices
Good to know: Buyers should confirm origin declaration and purity specification when sourcing for regulated flavor applications. Natural grades command a premium for clean-label and botanical-positioned formulations.
Commercial specifications
- Purity typically 98% and above for flavor and fragrance use
- Natural-origin and synthetic grades
Other Names (Synonyms)
para-allylanisole|p-methoxyallylbenzene|p-allylphenyl methyl ether|p-allylmethoxybenzene|p-allylanisole|O-methyl chavicol|methyl chavicole|methyl chavicol
What are the physical properties of Estragole?
Melting Point 28-35 °C
Boiling Point 90 °C @ Press: 10 Torr
Density 0.9645 g/cm³ @ Temp: 21 °C
Flash Point 178 °F
Appearance colourless liquid with an aniseed smell
Color Clear colorless
Odor at 10.00 % in propylene glycol. sweet sassafrass anise spice green herbal fennel
Form Liquid
Water Solubility 177.8mg/L(25 ºC)
Vapor Pressure 82-101hPa at 20-37.8℃
Refractive Index n 20/D 1.521(lit.)
Log P 3.4 at 25-35℃ and pH7
How is Estragole classified and handled safely? Learn More
Warning
GHS07· Irritant GHS08· Health Hazard
Hazard Statements
H227 Combustible liquid
H302 Harmful if swallowed
H315 Causes skin irritation
H317 May cause an allergic skin reaction
Precautionary Statements
P203 Obtain, consult and follow expert instructions for use.
P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash … thoroughly after handling.
Which trade and regulatory codes apply to Estragole?
HS Code 29093090
Packing Group III
Storage Class 10 - Combustible liquids
WGK (Germany) 3