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trans-2-Hexenyl acetate

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trans-2-Hexenyl acetate Basic information

Product Name:
trans-2-Hexenyl acetate
Synonyms:
  • RANS-2-HEXENYL ACETATE
  • trans-2-hexenyl lactate
  • (E)-2-Hexen-1-ylacetate
  • (E)-2-Hexenyl acetate
  • (e)-2-hexenylacetate
  • (E)-Aceticacidhex-2-enylester
  • (E)-Hex-2-en-1-ylacetate
  • (E)-hex-2-enyl acetate
CAS:
2497-18-9
MF:
C8H14O2
MW:
142.2
EINECS:
219-680-7
Product Categories:
  • C8 to C9
  • Carbonyl Compounds
  • Alphabetical Listings
  • Flavors and Fragrances
  • G-H
  • Esters
Mol File:
2497-18-9.mol
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trans-2-Hexenyl acetate Chemical Properties

Melting point:
-65.52°C (estimate)
Boiling point:
165-166 °C (lit.)
Density 
0.898 g/mL at 25 °C (lit.)
refractive index 
n20/D 1.427(lit.)
FEMA 
2564 | 2-HEXEN-1-YL ACETATE (E)
Flash point:
137 °F
storage temp. 
under inert gas (nitrogen or Argon) at 2-8°C
solubility 
Almost insoluble in water, soluble in alcohol and oils.
form 
clear liquid
Specific Gravity
0.90
color 
Colorless to Almost colorless
Odor
Powerful and fresh-green, sweet and fruity, very “natural” odor
Odor Type
green
JECFA Number
1355
BRN 
1721851
Stability:
Stable. Combustible. Incompatible with strong bases, strong oxidizing agents.
LogP
2.58
CAS DataBase Reference
2497-18-9(CAS DataBase Reference)
NIST Chemistry Reference
2-Hexen-1-ol, acetate, (E)-(2497-18-9)
EPA Substance Registry System
2-Hexen-1-ol, acetate, (2E)- (2497-18-9)
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Safety Information

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26-36-37/39
RIDADR 
UN 3272 3/PG 3
WGK Germany 
2
RTECS 
MP8425000
TSCA 
Yes
HazardClass 
3
PackingGroup 
III
HS Code 
29153900

MSDS

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trans-2-Hexenyl acetate Usage And Synthesis

Description

trans-2-Hexen-l-yl acetate has a pleasant, fruity odor and corresponding taste. This substance may be synthesized by heating at the boil l-bromohexen-2 -ol with sodium acetate and acetic acid.

Chemical Properties

2-Hexen-1-yl acetate has a pleasant, fruity odor and corresponding taste.

Chemical Properties

clear colorless to slightly yellow liquid

Chemical Properties

(E)-2-Hexenyl Acetate occurs in many fruits and in some essential oils, for example, peppermint. It is a fresh, fruity, slightly green-smelling liquid and is used in fruit flavors.

Occurrence

Reported found in Fragaria vesca and other fruits; only the trans-form is known. Also reported in apple, apple juice, apricot, bilberry, guava, peach, blackberry, strawberry fruit and jam, tomato, corn mint oil, spearmint oil, white and red wine, tea, plum, plumcot, mushroom, starfruit, mango, banana and passion fruit.

Definition

ChEBI: (E)-hex-2-enyl acetate is an acetate ester resulting from the formal condensation of the hydroxy group of (E)-hex-2-en-1-ol with the carboxy group of acetic acid. It has a role as a plant metabolite and a flavouring agent. It is an acetate ester and an olefinic compound. It is functionally related to an (E)-hex-2-en-1-ol.

Preparation

By heating at the boil, 1-bromohexen-2-ol with sodium acetate and acetic acid.

Taste threshold values

Taste characteristics at 10 ppm: sweet, green, fresh and fruity with a waxy apple background.

trans-2-Hexenyl acetate Preparation Products And Raw materials

Raw materials

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