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Sigma-Aldrich

α-Terpineol

90%, technical grade

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Synonym(s):
alpha-Terpineol
Empirical Formula (Hill Notation):
C10H18O
CAS Number:
98-55-5
Molecular Weight:
154.25
Beilstein:
2325137
EC Number:
233-986-8
MDL number:
MFCD00001557
PubChem Substance ID:
24867093
NACRES:
NA.22

grade

technical grade

Quality Level

100

Assay

90%

refractive index

n20/D 1.482 (lit.)

bp

217-218 °C (lit.)

mp

31-35 °C (lit.)

density

0.93 g/mL at 25 °C (lit.)

SMILES string

CC1=CC[C@H](CC1)C(C)(C)O

InChI

1S/C10H18O/c1-8-4-6-9(7-5-8)10(2,3)11/h4,9,11H,5-7H2,1-3H3

InChI key

WUOACPNHFRMFPN-UHFFFAOYSA-N

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General description

α-Terpineol is a monoterpene alcohol. It is one of the components responsible for the antifungal activity in Melaleuca alternifolia (tea tree) essential oil. The reaction rate constant of α-terpineol with the OH radical and ozone was found to be (1.9±0.5)×10-10cm3 molecule-1s-1 and (3.0±0.2)×10-16cm3 molecule-1s-1, respectively.

Other Notes

Optical rotation varies with isomer mix.
remainder γ-isomer

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315 - H319

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2

Storage Class Code

10 - Combustible liquids

WGK

WGK 1

Flash Point(F)

195.8 °F - closed cup

Flash Point(C)

91 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Francesca Mondello et al.
BMC infectious diseases, 6, 158-158 (2006-11-07)
Recent investigations on the antifungal properties of essential oil of Melaleuca alternifolia Cheel (Tea Tree Oil, TTO) have been performed with reference to the treatment of vaginal candidiasis. However, there is a lack of in vivo data supporting in vitro
P H Hart et al.
Inflammation research : official journal of the European Histamine Research Society ... [et al.], 49(11), 619-626 (2000-12-29)
To evaluate potential antiinflammatory properties of tea tree oil, the essential oil steam distilled from the Australian native plant, Melaleuca alternifolia. The ability of tea tree oil to reduce the production in vitro of tumour necrosis factor-alpha (TNFalpha), interleukin (IL)-1beta
Chokri Messaoud et al.
Chemistry & biodiversity, 8(2), 300-310 (2011-02-22)
Extracts of mature dark blue and white berries from two Tunisian Myrtus communis morphs growing at the same site were assessed for their essential-oil and fatty-acid compositions, phenolic contents, and antioxidant activities. The GC and GC/MS analyses of the essential
Lucindo J Quintans-Júnior et al.
Pharmaceutical biology, 49(6), 583-586 (2011-03-10)
α-Terpineol (TPN) is a monoterpenoid alcohol present in the essential oils of several species of the Eucalyptus genus (Myrtaceae). TPN was assessed for its antinociceptive activity in rodents. The antinociceptive effect of TPN was examined using the acetic acid writhing
Shi Shu et al.
Environmental science & technology, 45(10), 4285-4292 (2011-04-27)
Ozone can react homogeneously with unsaturated organic compounds in buildings to generate undesirable products. However, these reactions can also occur on indoor surfaces, especially for low-volatility organics. Conversion rates of ozone with α-terpineol, a representative low-volatility compound, were quantified on
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