(-)-alpha-Terpineol

Synonym(s):(S)-p-Menth-1-en-8-ol;(S)-2-(4-Methyl-3-cyclohexenyl)-2-propanol;(S)-(-)-α-Terpineol;p-Menth-1-en-8-ol

CAS NO.：10482-56-1
Empirical Formula: C10H18O
Molecular Weight: 154.25
MDL number: MFCD00075926
EINECS: 233-986-8
SAFETY DATA SHEET (SDS)
Update Date: 2024-11-19 23:02:33

What is (-)-alpha-Terpineol?

The Uses of (-)-alpha-Terpineol

(S)-α-Terpineol comes from the essential oil extracted from the leaves of Zanthoxylum ailanthoides Sieb. Et Zucc. collected from Guizhou which possesses anti-oxidant activities.

Definition

ChEBI: The (S)-enantiomer of alpha-terpineol.

Synthesis Reference(s)

Journal of the American Chemical Society, 102, p. 7798, 1980 DOI: 10.1021/ja00546a037
Tetrahedron Letters, 35, p. 61, 1994 DOI: 10.1016/0040-4039(94)88162-6
The Journal of Organic Chemistry, 54, p. 4481, 1989 DOI: 10.1021/jo00280a002

General Description

α-Terpineol is a monoterpene alcohol. It is one of the components responsible for the antifungal activity of Melaleuca alternifolia (tea tree) essential oil. It is also found in Origanum essential oil and Rosmarinus officinalis essential oil.

Flammability and Explosibility

Not classified

Properties of (-)-alpha-Terpineol

Melting point:	31-35 °C(lit.)
Boiling point:	217-218 °C(lit.)
Density	0.93 g/mL at 25 °C(lit.)
vapor pressure	2.79Pa at 20℃
FEMA	3045 \| ALPHA-TERPINEOL
refractive index	n20/D 1.482(lit.)
Flash point:	193 °F
storage temp.	Store below +30°C.
solubility	Chloroform (Sparingly), Methanol (Slightly)
form	Solid
pka	15.09±0.29(Predicted)
color	Colourless to Off-White Oil to Low-Melting
Specific Gravity	0.934 (20/4℃)
Odor	at 100.00 %. lilac floral terpenic
Water Solubility	2.23g/L at 20℃
BRN	2325137
CAS DataBase Reference	10482-56-1(CAS DataBase Reference)
NIST Chemistry Reference	a-Terpineol(10482-56-1)
EPA Substance Registry System	1-.alpha.-Terpineol (10482-56-1)

Safety information for (-)-alpha-Terpineol

Signal word	Danger
Pictogram(s)	Corrosion Corrosives GHS05
GHS Hazard Statements	H315:Skin corrosion/irritation H318:Serious eye damage/eye irritation
Precautionary Statement Codes	P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P332+P313:IF SKIN irritation occurs: Get medical advice/attention.