223190

γ-Terpinene

97%

• Synonym(s): gamma-Terpinene, 1-Isopropyl-4-methyl-1,4-cyclohexadiene, p-Mentha-1,4-diene
• Empirical Formula (Hill Notation): C₁₀H₁₆
• CAS Number: 99-85-4
• Molecular Weight: 136.23
• Beilstein/REAXYS Number: 2038347
• EC Number: 202-794-6
• MDL number: MFCD00001537
• UNSPSC Code: 12352100
• eCl@ss: 39010915
• PubChem Substance ID: 24853370
• NACRES: NA.22

Properties

• vapor density: 4.7 (vs air)
• vapor pressure: ~0.7 mmHg ( 20 °C)
• assay: 97%
• form: liquid
• refractive index: n20/D 1.474 (lit.)
• bp: 182 °C (lit.)
• solubility: water: soluble 5%, clear, colorless to faintly yellow
• density: 0.85 g/mL at 25 °C (lit.)
• SMILES string: CC(C)C1=CCC(C)=CC1
• InChI: 1S/C10H16/c1-8(2)10-6-4-9(3)5-7-10/h4,7-8H,5-6H2,1-3H3
• InChI key: YKFLAYDHMOASIY-UHFFFAOYSA-N

Description

General description

γ-Terpinene, volatile essential oil derived from Melaleuca alternifolia, shows antimicrobial properties against various human pathogens. It is also extracted from Lippia multiflora. The antioxidant, anti-inflammatory and anti-proliferative activities of γ-terpinene is studied.

Application

γ-Terpinene can be used as:

• Hydrogen precursor in the catalytic transfer hydrogenation of silyl enol ethers.
• A reference compound in the kinetic study of ozonolysis of (E)-β-farnesene.
• A hydrogen atom donor in the Cr-catalyzed radical cyclization of halo acetals.

Safety Information

• pictograms: GHS02,GHS08,GHS09
• signalword: Warning
• hcodes: H226,H361,H411
• pcodes: P202 - P210 - P233 - P240 - P273 - P308 + P313
• Hazard Classifications: Aquatic Chronic 2 - Flam. Liq. 3 - Repr. 2
• Storage Class: 3 - Flammable liquids
• wgk_germany: WGK 2
• flash_point_f: 124.9 °F - closed cup
• flash_point_c: 51.6 °C - closed cup
• ppe: Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter