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HomeProduct name listTea tree oil

Tea tree oil

Synonym(s):Melaleuca alternifolia;Melaleuca alternifolia oil;Melasol;Tea tree oil

  • CAS NO.:68647-73-4
  • Empirical Formula: Null
  • Molecular Weight: 0
  • MDL number: MFCD00132409
  • EINECS: 232-293-8
  • Update Date: 2024-08-28 18:16:09

What is Tea tree oil?

Description

Tea tree oil is an oil from distilled leaves of Melaleuca alternifolia. Pale yellowish green oil of a warm spicy aromatic terpenic odor. Common allergens present are D-limonene, -terpinene and aromadendrene. It is used as antiseptic; remedy for various skin and nail conditions; in household products like cleansers, laundry agents, and fabric softeners; some perfumery uses (herbal; nutmeg; mint; pine)

Chemical properties

Tea tree oil is obtained by steam distillation of leaves and twig tips ofMelaleuca alternifolia Maiden & Betche ex Cheel and other Melaleuca species (Myrtaceae), which are trees growing in Australia and Asia. It is a pale to light yellow liquid with an earthy, spicy odor.
d2020 0.885–0.906; n20D 1.4750–1.4820; α20D +5 ° to +15 °; solubility: 1 vol in max. 2 vol of 85% ethanol; GC content: cineole max. 15%, 1-terpinen-4-ol 30–48%.
Additionalmain components besides 1-terpinen-4-ol are γ-terpinene (10–28%) and α-terpinene (5–13%).
Australia produces 200–300 t/yr, China 50–100 t/yr. Tea tree oil is used in perfumery for creating certain nuances and for earthy notes. Due to its well-known antiseptic (antibacterial, antifungal) properties, it is used as an active ingredient in many cosmetic preparations.

Chemical properties

M. alternifolia (Maiden and Betche) Cheel is an evergreen Australian native tree species commonly referred to as a “paperbark” or “tea tree.” Its distribution range extends throughout northern NSW into southern Queensland. Tea tree commonly inhabits at permanent watercourses, swamp flats and springs. It is the major source of Australian tea tree oil, an economically significant, commercial product with unique antimicrobial and organoleptic properties. Long established as an antimicrobial/disinfectant, M. alternifolia oil has warm, spicy characteristics making it a desirable flavoring agent.

Occurrence

Tea tree is found in Australia.

The Uses of Tea tree oil

tea tree oil (Melaleuca alternifolia)(Australian tea tree oil) is considered a natural preservative with anti-septic, germicidal, and expectorant properties. Its anti-microbial activity toward a wide array of bacteria allows it to promote healing. It is becoming recognized as a topical remedy for yeast, fungus, and skin disorders and infections. Tea tree oil exhibits positive benefits against seborrhea, psoriasis (reduces scaling and redness), eczema (stops itching and reduces redness), and dermatitis. It has been used by Australian Aborigines to treat cuts, wounds, and skin infections, and by european explorers as an herbal tea. This oil’s ability to dissolve pus without causing visible or apparent damage to the skin’s surface was noted by doctors when using it to clean the surface of infected wounds. It is also ideal for aromatherapy, given its low toxicity. Although effectively used on almost any skin type, except sensitive or couperose skins, it is particularly beneficial to acne, problem, and/or congested skins. Tea tree oil is obtained from distilling the tree’s leaves to produce a pale yellow to colorless oil that has a camphor-like scent similar to eucalyptus. Studies indicate it to be nontoxic with negligible to no irritancy.

The Uses of Tea tree oil

Flavoring and antiseptic agent in personal hygiene items such as toothpaste; as a cosmeceutical.

Definition

Extractives and their physically modified derivatives. Melaleuca alternifolia, Myrtaceae.

Properties of Tea tree oil

Boiling point: 165 °C(lit.)
alpha  D +6°48 to +9°48
Density  0.878 g/mL at 25 °C(lit.)
refractive index  n20/D 1.478(lit.)
FEMA  3902 | TEA TREE OIL
Flash point: 147 °F
storage temp.  2-8°C
form  liquid
color  Colorless to light yellow
Odor at 100.00 %. citrus spicy terpenic nutmeg pine
optical activity [α]20/D +9.4°, neat
Merck  13,9175
EPA Substance Registry System Tea tree oil (68647-73-4)

Safety information for Tea tree oil

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H302:Acute toxicity,oral
Precautionary Statement Codes P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P270:Do not eat, drink or smoke when using this product.
P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P501:Dispose of contents/container to..…

Computed Descriptors for Tea tree oil

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