Description

(+)-Terpinen-4-Ol CAS NO 2438-10-0 is a high-purity, naturally occurring monoterpenoid alcohol and the principal bioactive component of tea tree oil. This compound is valued for its potent antimicrobial, anti-inflammatory, and antioxidant properties, making it a critical ingredient for advanced formulations. It is essential for manufacturers in the pharmaceutical, personal care, and flavor & fragrance industries seeking a reliable, high-quality active ingredient.

Application

• Pharmaceutical Intermediates: Serves as a key chiral building block in the synthesis of more complex therapeutic agents.
• Topical Antimicrobials: A primary active in formulations for acne treatments, antiseptic creams, and wound care products.
• Natural Preservatives: Used in cosmetic and personal care products to extend shelf life and replace synthetic preservatives.
• Flavor & Fragrance: Imparts fresh, spicy, and woody notes in premium perfumery and flavor compositions.
• Aromatherapy & Wellness: A core component in essential oil blends for diffusers, massage oils, and therapeutic applications.
• Agricultural & Veterinary Products: Incorporated into natural biocides and animal hygiene products.

Basic Information

Product Name	(+)-Terpinen-4-Ol
CAS No.	2438-10-0
Molecular Formula	C10H18O
Molecular Weight	154.25 g/mol
Synonyms	p-Menth-4-en-1-ol; 4-Carvomenthenol; 4-Terpineol; 1-Terpinen-4-ol; (4R)-p-Menth-1-en-4-ol; (+)-p-Menth-1-en-4-ol; FEMA 2248; NSC 9258; Tea Tree Oil Terpinen-4-ol
EINECS	219-453-7

Quality Control

Our (+)-Terpinen-4-Ol is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity analysis by GC or HPLC, to ensure it meets stringent specifications for identity, potency, and impurity profiles. Certificates of Analysis (COA) documenting purity, optical rotation, and residual solvent levels are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at 15-25°C under an inert atmosphere (e.g., nitrogen) to minimize oxidation. Keep away from heat, sparks, and open flames.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 95.0%
Chiral Purity (GC)	≥ 98.0% (+)-enantiomer
Optical Rotation [α]20/D	+100° to +110°
Refractive Index n20/D	1.475 - 1.485
Relative Density (20°C)	0.925 - 0.935
Related Substances (GC)	Total impurities ≤ 5.0%

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