Description
Overview
Melaleuca alternifolia essential oil is a volatile natural product extracted via steam distillation. Chemical composition dominated by terpinen-4-ol (C10H18O), with minor monoterpene constituents. CAS No: 68647-73-4. Supplied in three 100ml amber glass bottles. Form: Clear to pale yellow liquid. Purity: ≥98% by gas chromatography (GC). Molar mass: 154.25 g/mol. Density: ~0.91 g/mL at 25°C. Refractive index: 1.460–1.475. No additives or diluents.
Applications
Used in laboratory settings for antimicrobial susceptibility testing against bacterial and fungal strains. Employed in formulation studies for dermal delivery systems. Suitable for analytical reference in quality control of botanical extracts. Applied in surface disinfectant research under controlled conditions. Utilized in terpene oxidation and stability experiments. Supports studies in plant-based volatile compound interactions. Compatible with GC-MS calibration and profiling workflows. Used in material compatibility tests with elastomers and polymers.
Specifications
Appearance: Pale yellow to pale green liquid. Odor: Characteristic camphoraceous aroma. Solubility: Slightly soluble in water; miscible with ethanol, ether, and most organic solvents. Flash point: 50°C (closed cup). Storage: Keep in tightly sealed amber containers, protected from light and heat. Store below 25°C. Avoid contact with strong oxidizers. Compatible with glass, PTFE, and HDPE. Incompatible with copper and brass.
Safety
GHS07: Warning. H302: Harmful if swallowed. H315: Causes skin irritation. H317: May cause allergic skin reaction. H332: Harmful if inhaled. P261: Avoid breathing vapor. P280: Wear protective gloves. P302+P352: In case of contact, rinse skin with water. Use in well-ventilated areas. Not for food, drug, or cosmetic use. For laboratory and technical applications only.
FAQ
Can this oil be used in material compatibility testing?
Yes. It is commonly used to assess polymer and sealant resistance to natural terpenes.
Is the oil suitable for GC-MS calibration?
Absolutely. Its consistent terpene profile makes it ideal for analytical reference.
How should I store multiple bottles?
Keep unopened bottles in a cool, dark cabinet. Avoid temperature fluctuations.
Is oxidation a concern?
Yes. Exposure to air and light degrades terpenes. Use within 12 months of opening.
What personal protection is required?
Wear nitrile gloves, safety goggles, and work in a fume hood when handling large volumes.
References
PubChem – Terpinen-4-ol | Wikipedia – Tea Tree Oil | ECHA | SDS available upon request via HarutyunyanEN support.
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