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: 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)
• Quality Level: 200
• 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
• Signal Word: Warning
• Hazard Statements: H226 - H361 - H411
• Precautionary Statements: P202 - P210 - P233 - P240 - P273 - P308 + P313
• Hazard Classifications: Aquatic Chronic 2 - Flam. Liq. 3 - Repr. 2
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 2
• Flash Point(F): 124.9 °F - closed cup
• Flash Point(C): 51.6 °C - closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves