Description

(-)-Terpinen-4-Ol is a naturally occurring monoterpenoid alcohol and a key bioactive constituent of tea tree oil. This enantiomerically pure compound is highly valued for its potent antimicrobial, anti-inflammatory, and antioxidant properties. It is essential for manufacturers in the pharmaceutical, personal care, and flavor & fragrance industries seeking a high-purity, single-isomer ingredient for advanced formulations.

Application

• Pharmaceutical Intermediates: Serves as a critical chiral building block for synthesizing more complex therapeutic agents.
• Topical Antimicrobial Formulations: A key active ingredient in antiseptic creams, ointments, and acne treatments due to its efficacy against a broad spectrum of bacteria and fungi.
• Natural Personal Care Products: Used in deodorants, shampoos, and skincare products for its natural preservative and soothing properties.
• Flavor and Fragrance Industry: Imparts fresh, woody, and spicy notes to perfumes, cosmetics, and fine fragrances.
• Aromatherapy and Essential Oils: A premium component in therapeutic-grade essential oil blends.
• Agricultural and Veterinary Products: Incorporated into natural biocides and animal hygiene products.

Basic Information

Product Name	(-)-Terpinen-4-Ol
CAS No.	20126-76-5
Molecular Formula	C10H18O
Molecular Weight	154.25 g/mol
Synonyms	(-)-p-Menth-4-en-1-ol; (4S)-p-Menthen-4-ol; 4-Carvomenthenol; 4-Terpinenol; Terpinen-4-ol, (-)-; p-Menth-1-en-4-ol; 1-p-Menthen-4-ol; 1-Terpinen-4-ol
EINECS	243-540-0

Quality Control

Our (-)-Terpinen-4-Ol is produced under a strict quality management system. Each batch is analyzed to ensure high enantiomeric purity and chemical identity, meeting the rigorous standards required for pharmaceutical and high-end cosmetic applications. A comprehensive Certificate of Analysis (COA) detailing purity, chiral purity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from strong alkalis and incompatible organic solvents. The container should be kept tightly sealed to prevent oxidation and maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 97.0%
Chiral Purity (GC)	≥ 99.0% (-)-enantiomer
Refractive Index (20°C)	1.478 - 1.483
Specific Rotation (20°C)	-20° to -30°
Relative Density (20°C)	0.925 - 0.935

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.