TRANS-2-HEPTENAL Property

Boiling point:

90-91 °C50 mm Hg(lit.)

Density 

0.857 g/mL at 25 °C(lit.)

vapor density 

>1 (vs air)

FEMA 

3165 | TRANS-2-HEPTENAL

refractive index 

n20/D 1.450(lit.)

Flash point:

128 °F

Odor

at 0.10 % in dipropylene glycol. green fatty

Odor Type

green

LogP

2.11

EPA Substance Registry System

2-Heptenal (2463-63-0)

Safety

Hazard Codes 

Xn

Risk Statements 

10-20/21-43

Safety Statements 

16-36/37

RIDADR 

UN 1988 3/PG 3

WGK Germany 

3

RTECS 

MJ8795000

F 

10-23

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H226Flammable liquid and vapour

H302Harmful if swallowed

H312Harmful in contact with skin

H317May cause an allergic skin reaction

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P272Contaminated work clothing should not be allowed out of the workplace.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P312Call a POISON CENTER or doctor/physician if you feel unwell.

P321Specific treatment (see … on this label).

P322Specific measures (see …on this label).

P330Rinse mouth.

P333+P313IF SKIN irritation or rash occurs: Get medical advice/attention.

P363Wash contaminated clothing before reuse.

P501Dispose of contents/container to..…

TRANS-2-HEPTENAL Chemical Properties,Usage,Production

Description

2-Heptenal has a pungent green somewhat fatty odor, pleasant only on extreme dilution. May be prepared by oxidation of butylallyl alcohol.

Chemical Properties

2-Heptenal has a pungent green somewhat fatty odor, pleasant only on extreme dilution.

Occurrence

Reported found in soybean oil, potato chips, cranberry, raisin, strawberry, asparagus, peas, tomato, Russian cheeses, butter, caviar, fatty fsh, roasted turkey, cooked beef, cured pork, pork fat and liver, cognac, flberts, pecans, peanuts, soy- bean, beans, mango, walnut, unprocessed rice, malt, wort and lingonberry

Definition

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

Preparation

By oxidation of butylallyl alcohol.

Aroma threshold values

Detection: 13 to 51 ppb.

Taste threshold values

Taste characteristics at 4 ppm: intense green, sweet, fresh fruity apple-skin nuances.