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γ-Terpinene

γ-Terpinene structure

CAS No:
99-85-4
Formula:
C10H16
Chemical Name:
γ-Terpinene
Synonyms:
1,4-Cyclohexadiene,1-methyl-4-(1-methylethyl)-;p-Mentha-1,4-diene;1-Methyl-4-(1-methylethyl)-1,4-cyclohexadiene;Crithmene;gamma-Terpinene;Moslene;γ-Terpinene;γ-Terpinen;4-Isopropyl-1-methyl-1,4-cyclohexadiene;1-Methyl-4-isopropyl-1,4-cyclohexadiene;1-Isopropyl-4-methyl-1,4-cyclohexadiene;NSC 21448;1-Methyl-4-(propan-2-yl)cyclohexa-1,4-diene;1-Methyl-4-propan-2-ylcyclohexa-1,4-diene
Categories:
Cosmetic Ingredient > Perfuming

Description

clear liquid γ-Terpinene is a colorless liquid with an herbaceous citrus odor and can be prepared by isomerization of limonene. 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.

Liquid|Colourless oily liquid; refreshing, herbaceous-citrusy aroma

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.

γ-Terpinene Basic Attributes

Molecular Weight：

136.23

Exact Mass：

136.23

EC Number：

202-794-6

UNII：

4YGF4PQP49

NSC Number：

21448

DSSTox ID：

DTXSID6041210

HScode：

29021990

Characteristics

PSA：

XLogP3：

2.8

Appearance：

White Powder or Cyrstals

Density：

0.849 g/cm³ @ Temp: 20 °C

Melting Point：

-10 °C

Boiling Point：

183 °C

Flash Point：

125 °F

Refractive Index：

1.474

Water Solubility：

water: soluble 5%, clear, colorless to faintly yellow

Storage Conditions：

2-8°C

Vapor Pressure：

~0.7 mm Hg ( 20 °C)

Vapor Density：

4.7 (vs air)

OH：

1.77e-10 cm3/molecule*sec

Henrys Law Constant：

0.03 atm-m3/mole

Safety Information

Packing level：

III

Hazard category：

3.2

Transport codes：

UN 2319 3/PG 3

wgk germany：

hazard class code：

10-36/37/38

safety instructions：

26-36

RTECS Number：

OS8070000

Marks：

Precautionary statement(s)：

P210, P233, P240, P241, P242, P243, P280, P301+P310, P303+P361+P353, P331, P370+P378, P403+P235, P405, P501

Hazard Statements：

H226

GHS Classification：

|Danger|H226 (99.54%): Flammable liquid and vapor [Warning Flammable liquids]|P210, P233, P240, P241, P242, P243, P280, P301+P310, P303+P361+P353, P331, P370+P378, P403+P235, P405, and P501|Aggregated GHS information provided by 1966 companies from 24 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Drug Information

MeSH Entry Terms：

1,4-p-menthadiene

γ-Terpinene Use and Manufacturing

Methods of Manufacturing

Derived from Lantana camara essential oil. From p-cymene in liquid ammonia with ethanol and sodium reaction (Birch reaction) derived.

Uses

spices. Mainly used to formulate essential oils of artificial lemon and mint.

Odor agents

Air care products

Production

100,000 - 500,000 lb

Manufacturing Info：

Soap, cleaning compound, and toilet preparation manufacturing|1,4-Cyclohexadiene, 1-methyl-4-(1-methylethyl)-: ACTIVE

Use Classification：

EPA Safer Chemical Functional Use Classes -> Fragrances|Safer Chemical Classes -> Yellow triangle - The chemical has met Safer Choice Criteria for its functional ingredient-class, but has some hazard profile issues|Food additives -> Flavoring Agents|Flavoring Agents -> JECFA Flavorings Index|Lipids -> Prenol Lipids [PR] -> Isoprenoids [PR01] -> C10 isoprenoids (monoterpenes) [PR0102]

Food Additive Classes：

Flavoring Agents

Computed Properties

Molecular Weight:136.23
XLogP3:2.8
Rotatable Bond Count:1
Exact Mass:136.125200510
Monoisotopic Mass:136.125200510
Heavy Atom Count:10
Complexity:171
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

Material

Terpinolene

Acetic acid

Ammonia

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Guide of γ-Terpinene

Description
Basic Attributes
Characteristics
Safety Information
Drug Information
Use and Manufacturing
Computed Properties
Material
Recommended Suppliers
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