ACETALDEHYDE ETHYL CIS-3-HEXENYL ACETAL Chemical Properties

Boiling point:

198℃

Density 

0,86 g/cm³

refractive index 

n20/D1.422

FEMA 

3775 | ACETALDEHYDE ETHYL CIS-3-HEXENYL ACETAL

Flash point:

45℃

form 

clear liquid

color 

A colourless liquid

Specific Gravity

0.855

Odor

at 10.00 % in dipropylene glycol. green violet natural green leaf mushroom earthy

Odor Type

green

JECFA Number

943

LogP

3.01

CAS DataBase Reference

28069-74-1(CAS DataBase Reference)

EPA Substance Registry System

3-Hexene, 1-(1-ethoxyethoxy)-, (3Z)- (28069-74-1)

Safety Information

Hazard Codes 

Xi

Risk Statements 

36/37/38

Safety Statements 

26-36/37/39

RIDADR 

UN 1993C 3 / PGIII

WGK Germany 

2

RTECS 

MP6795000

HS Code 

2912.19.5000

Toxicity

Both the acute oral LD₅₀ value in rats and the acute dermal LD₅₀ value in rabbits exceeded 5 g/kg (Levenstein, 1974).

ACETALDEHYDE ETHYL CIS-3-HEXENYL ACETAL Usage And Synthesis

Identification

Description

A colorless liquid with a powerful, green, herbaceous odor.

Regulatory Status

CoE: n/a
FDA: n/a
FDA (other): n/a
JECFA: ADI: Acceptable. No safety concern at current levels of intake when used as a flavoring agent (2001).

Usage

Reported uses (ppm): (FEMA, 2001)
 

Chemical Properties

A colorless liquid with a powerful, green, herbaceous odor. Fairly stable in alkali, unstable in acid of pH lower than 5.

Occurrence

Reported found in guava fruit (Psidium guajava L.) and plum

Preparation

From acetaldehyde diethyl acetal (acetal) with cis-3-hexenol

Aroma threshold values

Powerful green, hcrbaceous-vegetable, oily odor, reminiscent of many natural products. Used sparingly in floral perfumes to introduce a natural-green topnote, and in general as a topnote in mossy or citrusy perfumes.

Taste threshold values

Taste characteristics at 1 ppm: dry, green, rindy with a fruity finish, slightly buttery and mushroom-like with metallic nuances.

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