alpha-Terpineol, CAS No. 98-55-5

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98-55-5

Catalog No. EBD2294054

CAS 98-55-5

Name alpha-Terpineol

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Basic Information

Synonyms: 3-Cyclohexene-1-methanol,α,α,4-trimethyl- alpha-Terpineol 1-alpha-terpineol 1-methyl-4-isopropyl-1-cyclohexene-8-ol 2-(4-methylcyclohex-3-enyl)propan-2-ol(alpha-terpineol) alpha,alpha,4-trimethyl-3-cyclohexene-1-methano alpha-terpinenol alpha-terpineol,mixtureofisomers alpha-terpineole alpha-terpinol p-menth-1-en-8-ol 1-Menthene-8-ol 1-Methyl-4-isopropyl-1-cyclohexen-8-ol 1-p-Menthen-8-ol 2-(4-Methyl-3-cyclohexenyl)-2-propanol 3-Cyclohexene-1-methanol,alpha,alpha,4-trimethyl- AI3-00275 BRN1906604 CARVOMENTHENOL CCRIS3204 EINECS202-680-6 FEMANo.3045 PC593 Terpenol Terpilenol,alpha- Terpineol350 Terpineolschlechthin UNII-21334LVV8W alpha-Terpineol(natural) dl-alpha-Terpineol (1)-alpha,alpha,4-Trimethylcyclohex-3-ene-1-methanol

Molecular Formula: C10H18O

Molecular Weight: 154.25

MDL Number: MFCD00001557

Categories: Functional Chemicals > Consumer & Industrial Chemicals > Fragrances and Flavors Functional Chemicals > Cosmetics and Synthetic Ingredients > Cosmetic-grade Fragrances

Product Description:

Α-Terpineol is a monoterpene alcohol, specifically a tertiary alcohol, with the molecular formula C₁₀H₁₈O. It is a colorless to pale yellow viscous liquid with a characteristic lilac or floral odor. It is a natural constituent found in various essential oils, including pine, petitgrain, and cajuput oils. Its primary and most significant application is as a fragrance ingredient and flavoring agent. Due to its pleasant, lilac-like scent, it is widely used in the formulation of perfumes, soaps, detergents, cosmetics, and personal care products. It also serves as a flavoring agent in food and beverages. Additionally, α-terpineol exhibits antimicrobial properties, which contributes to its use as a disinfectant and in cleaning products. It is also employed as a solvent and a chemical intermediate in the synthesis of other compounds, such as terpin hydrate. While generally considered safe for use in regulated concentrations, it can be a skin and eye irritant at higher levels. Its widespread use is driven by its versatile role as a cost-effective and pleasant-smelling aromatic chemical in both consumer and industrial sectors.

Physical Properties

Melting Point: 31-35 °C(lit.)

Boiling Point: 217-218 °C(lit.)

Flash Point: 90 °C

Density: 0.93 g/mL at 25 °C(lit.)

Solubility: negligible

Refractivity: n20/D 1.482(lit.)

Safety Information

Packing Level: III

Hazard Category: /

Transport Codes: 1993

Analytical Data

Appearance: colorless to pale yellow crystal