GAMMA-TERPINENE
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GAMMA-TERPINENE

The following is the introduction of GAMMA-TERPINENE

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Product Description

GAMMA-TERPINENE Basic information


Product Name:

GAMMA-TERPINENE

CAS:

99-85-4

MF:

C10H16

MW:

136.23

EINECS:

202-794-6

Product Categories:

Tri-Terpenoids;Biochemistry;Monocyclic Monoterpenes;Terpenes;Pyridines

Mol File:

99-85-4.mol



GAMMA-TERPINENE Chemical Properties


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)

refractive index 

n20/D 1.474(lit.)

FEMA 

3559 | P-MENTHA-1,4-DIENE

Fp 

125 °F

storage temp. 

2-8°C

solubility 

water: soluble5%, clear, colorless to faintly yellow

form 

Powder or Cyrstals

Specific Gravity

0.849 (20/4℃)

color 

White

Water Solubility 

8.678mg/L(23.5 ºC)

JECFA Number

1340

Merck 

14,9170

BRN 

2038347

InChIKey

YKFLAYDHMOASIY-UHFFFAOYSA-N

CAS DataBase Reference

99-85-4(CAS DataBase Reference)

EPA Substance Registry System

.gamma.-Terpinene (99-85-4)


GAMMA-TERPINENE Safety Information


Hazard Codes 

Xi

Risk Statements 

10-36/37/38

Safety Statements 

26-36

RIDADR 

UN 2319 3/PG 3

WGK Germany 

2

RTECS 

OS8070000

10-23

HazardClass 

3.2

PackingGroup 

III

HS Code 

29021990


GAMMA-TERPINENE Usage And Synthesis


Chemical Properties

clear liquid

Chemical Properties

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

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.

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.

Safety Profile

Moderately toxic by ingestion. A skin irritant. When heated to decomposition it emits acrid smoke and irritating fumes.


GAMMA-TERPINENE Preparation Products And Raw materials


Raw materials

Ammonia-->4-Isopropyltoluene


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