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86473

Sigma-Aldrich

α-Terpinene

≥95.0% (GC)

Sinónimos:

alpha-Terpinene, 1-Isopropyl-4-methyl-1,3-cyclohexadiene, p-Mentha-1,3-diene

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About This Item

Fórmula empírica (notación de Hill):
C10H16
Número de CAS:
99-86-5
Peso molecular:
136.23
Beilstein/REAXYS Number:
1853379
EC Number:
202-795-1
MDL number:
MFCD00001534
UNSPSC Code:
12352100
PubChem Substance ID:
57653161
NACRES:
NA.22

assay

≥95.0% (GC)

form

liquid

refractive index

n20/D 1.478 (lit.)

bp

173-175 °C (lit.)

density

0.837 g/mL at 25 °C (lit.)

storage temp.

−20°C

SMILES string

CC(C)C1=CC=C(C)CC1

InChI

1S/C10H16/c1-8(2)10-6-4-9(3)5-7-10/h4,6,8H,5,7H2,1-3H3

InChI key

YHQGMYUVUMAZJR-UHFFFAOYSA-N

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General description

α-Terpinene, a cyclic monoterpene commonly used as a fragrance compound, is found in various essential oils. It is responsible for the antioxidant activity of tea tree oil.

Application

α-Terpinene can be used as an organic reductant in the guaiacol deoxygenation to yield phenols using V2O5/Al2O3 catalyst.

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 2 - Asp. Tox. 1 - Eye Irrit. 2 - Flam. Liq. 3 - Skin Sens. 1B

Storage Class

3 - Flammable liquids

wgk_germany

WGK 2

flash_point_f

122.0 °F - closed cup

flash_point_c

50 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

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Certificados de análisis (COA)

Lot/Batch Number
0000383863
0000383862
0000361196
0000383863
0000383862

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Vanadium catalyzed guaiacol deoxygenation
Filley J and Roth C
J. Mol. Catal. A: Chem., 139(2-3), 245-252 (1999)
Conformational Space and Photochemistry of α-Terpinene
Marzec KM, et al.
The Journal of Physical Chemistry A, 114(17), 5526-5536 (2010)
Yonathan Asikin et al.
Journal of agricultural and food chemistry, 60(32), 7973-7980 (2012-07-19)
Citrus peels are important sources of various pleasant aroma compounds and valuable bioactive substances. To investigate differences in the composition and content of Shiikuwasha (Citrus depressa Hayata) peels from different cultivation lines, the composition of volatile aroma components, flavanones, and
Johanna Rudbäck et al.
Chemical research in toxicology, 25(3), 713-721 (2012-01-19)
The monoterpene α-terpinene is used as a fragrance compound and is present in different essential oils. It is one of the components responsible for the antioxidant activity of tea tree oil. α-Terpinene is structurally similar to other monoterpenes, e.g., limonene
Nabila Bouderdara et al.
Natural product communications, 6(1), 115-117 (2011-03-04)
The essential oil of aerial parts of Cachrys libanotis L. (Apiaceae) from east Algeria was extracted by hydrodistillation and analyzed by GC-FID and GC-MS. Thirty-one compounds were identified, the main components being germacrene-D (18.0%), gamma-terpinene (6.4%), p-cymene (5.5%), caryophyllene oxide
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Protocolos

Sweet Orange Essential Oil GC Analysis

Fast GC analysis of sweet orange essential oil in hexane. Key components identified includes: β-Farnesene; α-Huµlene; Germacrene D; (+)-Valencene; Bicyclogermacrene; (+)-δ-Cadinene

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