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Flavors & Fragrances

Estragole

CAS: 140-67-0

Overview

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. It functions as a flavoring agent and fragrance ingredient.

This compound delivers a characteristic sweet, anise-like profile valued across food and cosmetic applications. In flavor formulation, it is used to replicate or reinforce the taste profile of tarragon and anise in seasonings and sauces.

The FEMA 2411 status supports its use in regulated flavor systems for processed food products. Fragrance compounders incorporate it into fine fragrances, personal care products, and functional cosmetics where herbal top notes are required.

It also appears in oral care formulations such as toothpaste and mouthwash, where its anise character contributes to flavor masking. These applications rely on its ability to provide consumer-preferred taste profiles.

Some antioxidant stabilizer applications in food systems leverage its phenylpropanoid structure to support shelf-life performance. This is particularly effective in fat-containing matrices where stability is a primary concern for manufacturers.

The product is supplied as a clear to pale yellow liquid, typically at purities of 98% and above for flavor and fragrance use. Both natural-origin and synthetic grades are available to meet specific industry needs.

Natural grades command a premium for clean-label and botanical-positioned formulations in the current market. Buyers should confirm origin declaration and purity specification when sourcing for regulated flavor applications.

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Physical Properties

Melting Point28-35 °C
Boiling Point90 °C @ Press: 10 Torr
Density0.9645 g/cm³ @ Temp: 21 °C
Flash Point178 °F
Appearancecolourless liquid with an aniseed smell
ColorClear colorless
Odorat 10.00 % in propylene glycol. sweet sassafrass anise spice green herbal fennel
FormLiquid
Water Solubility177.8mg/L(25 ºC)
Vapor Pressure82-101hPa at 20-37.8℃
Refractive Indexn 20/D 1.521(lit.)
Log P3.4 at 25-35℃ and pH7

Safety & Handling

Warning GHS07 GHS08 Hazard Statements H227 Combustible liquid H302 Harmful if swallowed H315 Causes skin irritation H317 May cause an allergic skin reaction H341 Suspected of causing genetic defects H351 Suspected of causing cancer H412 Harmful to aquatic life with long lasting effects 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. P270 Do not eat, drink or smoke when using this product. P272 Contaminated work clothing should not be allowed out of the workplace. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. P318 IF exposed or concerned, get medical advice. P321 Specific treatment (see … on this label). P330 Rinse mouth. P403 Store in a well-ventilated place. P405 Store locked up. P501 Dispose of contents/container in accordance with local regulations. P301+P317 Get emergency medical help. P302+P352 IF ON SKIN: Wash with plenty of water. P332+P317 Get emergency medical help. P333+P317 Get emergency medical help. P362+P364 Take off contaminated clothing and wash it before reuse. P370+P378 Use … for extinction.

Trade & Regulatory

HS Code29093090
Packing GroupIII
Storage Class10 - Combustible liquids
WGK (Germany)3

Other Names

para-allylanisole | p-methoxyallylbenzene | p-allylphenyl methyl ether | p-allylmethoxybenzene | p-allylanisole | O-methyl chavicol | methyl chavicole | methyl chavicol

Related Products

Chemical Properties

CAS Number
140-67-0
EC Number
205-427-8
Mol. Weight
148.20
HS Code
29093090

Industries

Documentation