α-Terpinyl Acetate
α-Terpinyl Acetate (α-TA) is a monoterpene ester and a secondary plant metabolite. It is specifically distinguished from generic “Terpinyl acetate” by its isolated, highly pure isomeric form. While “Terpinyl acetate” often refers to a mixture of isomers (α-, β-, and γ-), α-TA represents a defined chemical entity with consistent properties.
It is naturally found in various plants such as cardamom, thyme, lovage, and laurel, contributing to their aromatic profiles. α-Terpinyl Acetate possesses a sweet, herbal, floral, and distinctly lavender scent. Due to its characteristic aroma and recognised safety, it is widely used as a fragrance component and odorant in daily chemical products. Furthermore, its safety profile allows for its application as a food flavouring additive.
In industrial preparation, α-Terpinyl Acetate can be efficiently synthesised from α-Pinene in the presence of an H-β zeolite catalyst, ensuring a high-purity product.
Substance Identification
| Synonyms | p-Menth-1-en-8-yl Acetate | ACETIC ACID TERPINYL ESTER |
| CAS | 80-26-2 |
| EINECS | 201-265-7 |
| FEMA | 3047 |
| HS.CODE | 29153900 |
| Molecular Formula | C12H20O2 |
| Moleclar Weight | 196.29 |
Toxicological Information
| LD50 oral, rat | 5075 mg/kg |
Application & Uses
- Daily Chemical Products: Serves as a key fragrance component, particularly for lavender formulations. Its applications span across soaps, shampoos, antiperspirants, lotions, air fresheners, cleaning and furniture care products, as well as laundry and dishwashing products.
- Food Industry: Utilised as a food flavouring. Examples include flavours for round pomelo, citrus, orange, peach, apricot, cherry, lemon, cardamom, gan-oregano, thyme, and various other spices.
- Tobacco Flavour: Also used as a tobacco flavour.
- Termiticidal Agent: Functions as a termiticidal agent.
Features & Benefits
- Appearance: A colourless to yellowish liquid.
- Aroma: Possesses aromas similar to lavender and bergamot.
- Solubility: Soluble in ethanol, ethyl acetate, ether, cyclohexane, and other organic solvents, but insoluble in water.
- Biological Interaction: α-Terpinyl Acetate may act as a competitive substrate for human cytochrome P450 (2B6).
Sales Specification
| ITEM | VALUE |
|---|---|
| Appearance | Colorless to yellowish liquid |
| Odor | Aromas similar to lavender and bergamot |
| Ester content, % | 98 min |
Similar Specs
GHS Hazard Statements
| H-Code | H411 |
| P-Code | P273 |
| Response | P391 |
| Storage | no data available |
| Disposal | P501 |
Storage
- Flammable materials should be stored in a dedicated safety storage cabinet or room.
- Ensure all equipment containing the material is earthed.
- Keep away from heat and sources of ignition.
- Keep containers tightly closed.
- Store in a cool, well-ventilated place.
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