| Identification | More | [Name]
GAMMA-TERPINENE | [CAS]
99-85-4 | [Synonyms]
1,4-P-MENTHADIENE
1-ISOPROPYL-4-METHYL-1,4-CYCLOHEXADIENE
1-ISOPROPYL-4-METHYL-1,4-CYCLOHEXADIENE P-MENTHA-1,4-DIENE
FEMA 3559
GAMMA-TERPINENE
P-MENTHA-1,4-DIENE
TERPINENE, GAMMA-
1,4-Cyclohexadiene, 1-methyl-4-isopropyl-
1-isopropyl-4-methyl-1,4-cyclohexadiene (gamma-terpinene)
1-Isopropyl-4-methyl-cyclohexa-1,4-diene
1-methyl-4-(1-methylethyl)-1,4-cyclohexadiene
1-methyl-4-(1-methylethyl)-4-cyclohexadiene
1-Methyl-4-isopropyl-1,4-cyclohexadiene
1-methyl-4-isopropyl-4-cyclohexadiene
1-Methyl-4-isopropylcyclohexadiene-1,4
4-Cyclohexadiene,1-methyl-4-(1-methylethyl)-1
4-Isopropyl-1-methyl-1,4-cyclohexadiene
Crithmene
gamma-Terpinen
Moslene | [EINECS(EC#)]
202-794-6 | [Molecular Formula]
C10H16 | [MDL Number]
MFCD00001537 | [Molecular Weight]
136.23 | [MOL File]
99-85-4.mol |
| Chemical Properties | Back Directory | [Appearance]
clear liquid | [Melting point ]
-59.03°C (estimate) | [Boiling point ]
182 °C (lit.) | [density ]
0.85 g/mL at 25 °C(lit.)
| [vapor density ]
4.7 (vs air)
| [vapor pressure ]
~0.7 mm Hg ( 20 °C)
| [FEMA ]
3559 | [refractive index ]
n20/D 1.474(lit.)
| [Fp ]
125 °F
| [storage temp. ]
2-8°C
| [solubility ]
water: soluble5%, clear, colorless to faintly yellow | [form ]
Powder or Cyrstals | [color ]
White | [Specific Gravity]
0.849 (20/4℃) | [Odor]
at 10.00 % in dipropylene glycol. oily woody terpene lemon/lime tropical herbal | [biological source]
synthetic | [Odor Type]
terpenic | [Water Solubility ]
8.678mg/L(23.5 ºC) | [JECFA Number]
1340 | [Merck ]
9170 | [BRN ]
2038347 | [Henry's Law Constant]
5.7×10-4 mol/(m3Pa) at 25℃, Plyasunov and Shock (2000) | [Stability:]
Light Sensitive | [Major Application]
cleaning products
cosmetics
flavors and fragrances
food and beverages
personal care | [Cosmetics Ingredients Functions]
PERFUMING | [InChI]
1S/C10H16/c1-8(2)10-6-4-9(3)5-7-10/h4,7-8H,5-6H2,1-3H3 | [InChIKey]
YKFLAYDHMOASIY-UHFFFAOYSA-N | [SMILES]
CC(C)C1=CCC(C)=CC1 | [LogP]
5.4 at 25℃ | [CAS DataBase Reference]
99-85-4(CAS DataBase Reference) | [EPA Substance Registry System]
.gamma.-Terpinene (99-85-4) |
| Safety Data | Back Directory | [Symbol(GHS) ]
  
GHS02,GHS08,GHS09 | [Signal word ]
Warning | [Hazard statements ]
H226-H361fd-H411 | [Precautionary statements ]
P201-P202-P210-P233-P273-P308+P313 | [Hazard Codes ]
Xi | [Risk Statements ]
R10:Flammable.
R36/37/38:Irritating to eyes, respiratory system and skin . | [Safety Statements ]
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing . | [RIDADR ]
UN 2319 3/PG 3
| [WGK Germany ]
2
| [RTECS ]
OS8070000
| [F ]
10-23 | [TSCA ]
TSCA listed | [REACH Registrations]
Active | [HazardClass ]
3.2 | [PackingGroup ]
III | [HS Code ]
29021990 | [Storage Class]
3 - Flammable liquids | [Hazard Classifications]
Aquatic Chronic 2
Flam. Liq. 3
Repr. 2 | [Safety Profile]
Moderately toxic by
ingestion. A skin irritant. When heated to
decomposition it emits acrid smoke and
irritating fumes. |
| Hazard Information | Back Directory | [Description]
γ-Terpinene is a monoterpene that has been found in various plants, including C. sativa, with diverse biological activities.1,2,3,4,5,6 It scavenges 2,2''-diphenyl-1-picrylhydrazyl (DPPH; Item No. 14805) and 2,2''-azinobis(3-ethylbenzothiazoline-6-sulfonate) (ABTS+) free radicals (IC50s = 2.8 and 30 mM, respectively) and reduces hemolysis induced by AAPH (Item No. 82235) in isolated human erythrocytes.2 γ-Terpinene reduces the growth of T. evansi in a concentration-dependent manner.3 It increases membrane permeability and decreases growth of X. oryzae bacteria.4 In vivo, γ-terpinene (100 mg/kg) reduces Triton WR1339-induced increases in serum cholesterol and triglyceride levels in rats.5 It reduces paw edema induced by histamine, bradykinin (Item No. 15539), carrageenan, and prostaglandin E2 (PGE2; Item No. 14010) in mice.6 It also inhibits fluid extravasation in a mouse model of acetic acid microvascular permeability and reduces neutrophil migration in lung in a mouse model of acute lung injury. | [Chemical Properties]
clear liquid | [Chemical Properties]
p-Mentha-1,4-diene has a characteristic lemon odor (not as lemony as the alpha-isomer, but warmer). It has a slightly
bitter, herbaceous, citrus-like flavor; woody, terpene, tropical lemon odor. | [Chemical Properties]
γ-Terpinene is a colorless liquid
with an herbaceous citrus odor and can be prepared by isomerization of limonene. | [Occurrence]
Reported found in papaya fruit, tea tree oil, tangerine, citrus, mandarins, Finocchoi fennel oil, papaya fruit,
citrus peel oils, etc. | [Uses]
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.
| [Definition]
ChEBI: Gamma-terpinene is one of three isomeric monoterpenes differing in the positions of their two double bonds (alpha- and beta-terpinene being the others). In gamma-terpinene the double bonds are at the 1- and 4-positions of the p-menthane skeleton. It has a role as an antioxidant, a plant metabolite, a volatile oil component and a human xenobiotic metabolite. It is a monoterpene and a cyclohexadiene. | [Preparation]
From geranyl pyrophosphate by migration of a positive-charge, hydrid shift from the isopropyl side chain into the
cyclohexenoid ring; from the essential oil of Lantana camara; also from p-cymene by the action of sodium and alcohol in liquid
ammonia. | [Taste threshold values]
Taste characteristics at 40 ppm: terpy, citrus, limelike, oily, green with a tropical fruity nuance. | [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. | [Flammability and Explosibility]
Flammable | [Pharmacology]
Combinations of terpenes, such as terpinene, with nonionic surfactants and stabilizers
have been patented for use as gallstone solvents. Artificial or human cholesterol calculi placed
in terpinene with or without human bile at 37°C were dissolved within 1-2 hr (Hisamitsu Pharmaceutical
Co., Inc., 1973). | [References]
[1] GUO-XIANG LI Zai Q L. Unusual Antioxidant Behavior of α- and γ-Terpinene in Protecting Methyl Linoleate, DNA, and Erythrocyte[J]. Journal of Agricultural and Food Chemistry, 2009, 57 9: 3943-3948. DOI: 10.1021/jf803358g
[2] MATHEUS D. BALDISSERA . In vitro and in vivo action of terpinen-4-ol, γ-terpinene, and α-terpinene against Trypanosoma evansi[J]. Experimental parasitology, 2016, 162: Pages 43-48. DOI: 10.1016/j.exppara.2016.01.004
[3] KAYO YOSHITOMI . Rice terpene synthase 24 (OsTPS24) encodes a jasmonate-responsive monoterpene synthase that produces an antibacterial γ-terpinene against rice pathogen[J]. Journal of plant physiology, 2016, 191: Pages 120-126. DOI: 10.1016/j.jplph.2015.12.008
[4] YASUO TAKAHASHI. Effects of gamma-terpinene on lipid concentrations in serum using Triton WR1339-treated rats.[J]. Bioscience, Biotechnology, and Biochemistry, 2003, 67 11: 2448-2450. DOI: 10.1271/bbb.67.2448
[5] THERESA RAQUEL DE OLIVEIRA RAMALHO. Gamma-Terpinene Modulates Acute Inflammatory Response in Mice.[J]. Planta medica, 2015, 81 14: 1248-1254. DOI: 10.1055/s-0035-1546169 |
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