TRANS-2-DECENAL Chemical Properties

Melting point:

-16°C (estimate)

Boiling point:

78-80 °C3 mm Hg(lit.)

Density 

0.841 g/mL at 25 °C(lit.)

refractive index 

n20/D 1.453(lit.)

FEMA 

2366 | 2-DECENAL

Flash point:

205 °F

Odor

at 10.00 % in dipropylene glycol. fatty orange rose aldehydic floral green

Odor Type

fatty

JECFA Number

1349

LogP

3.828 (est)

EPA Substance Registry System

2-Decenal (3913-71-1)

Safety Information

Hazard Codes 

Xi,N

Risk Statements 

41-43-50/53

Safety Statements 

26-36/37-60-61

RIDADR 

UN 3082 9/PG 3

WGK Germany 

3

F 

10

MSDS

• Language:English Provider:ACROS
• Language:English Provider:SigmaAldrich
• Language:English Provider:ALFA

TRANS-2-DECENAL Usage And Synthesis

Chemical Properties

2-Decanal has a powerful waxy, orange aroma.

Occurrence

Reported found in bitter orange peel, blackberry, ginger, butter, mushroom, kiwi, bacon fat, roast beef, beef fat, heated beef fat, bilberries, carrot root, boiled chicken, chicken broth, cranberry press residue, ham, lingonberry, orange, heated pork fat, potato chip, soy bean, boiled mutton, tea, roasted filberts, roasted peanuts and coriander leaf.

Preparation

By reaction of octanal and ethyl vinyl ether and subsequent hydrolysis.

Definition

ChEBI: An enal consisting of dec-2-ene having an oxo group at the 1-position.

Aroma threshold values

Detection: 1 ppb; aroma characteristics at 1.0%: waxy, fatty, earthy, coriander, green, mushroom, aldehydic with a chicken and pork fat nuance.

Taste threshold values

Taste characteristics at 1.0 ppm: waxy, fatty, earthy, coriander, mushroom, green with a pork fat nuance.

Safety Profile

Moderately toxic by skin contact. Mildly toxic by ingestion. A severe skin irritant. When heated to decomposition it emits acrid smoke and fumes. See also ALDEHYDES.

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