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HomeProduct name listtrans-2-Pentenal

trans-2-Pentenal

Synonym(s):(E)-2-Pentenal;2-Ethylacrylic aldehyde

  • CAS NO.:1576-87-0
  • Empirical Formula: C5H8O
  • Molecular Weight: 84.12
  • MDL number: MFCD00009615
  • EINECS: 216-414-1
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-07-16 16:27:54
trans-2-Pentenal Structural

What is trans-2-Pentenal?

Chemical properties

CLEAR COLORLESS TO YELLOW LIQUID

The Uses of trans-2-Pentenal

(E)-2-Pentenal, is a flavor volatile found in tomato, virgin olive oil and sardine.

Definition

ChEBI: (E)-2-pentenal is a 2-pentenal in which the double bond has (E)-configuration. It is found in cigarette smoke, virgin olive oil, and milk. It has a role as a plant metabolite.

General Description

Trans-2-Pentenal (pentenal) is an α,β-unsaturated aldehyde that increases [Ca2+] in cultured neonatal rat trigeminal ganglion (TG) neurons. The gas-phase reactions of NO3 radicals with pentenal in pure N2, using a relative rate technique, was studied.

Safety Profile

Mutation data reported. When heated to decompositionit emits acrid smoke and irritating vapors.

Properties of trans-2-Pentenal

Melting point: -101.15°C (estimate)
Boiling point: 80-81 °C/160 mmHg (lit.)
Density  0.86 g/mL at 25 °C (lit.)
refractive index  n20/D 1.440-1.446(lit.)
FEMA  3218 | 2-PENTENAL
Flash point: 73 °F
storage temp.  0-6°C
solubility  Chloroform (Soluble), Ethyl Acetate (Slightly), Methanol (Slightly)
form  Liquid
color  Clear colorless to yellow
Odor at 1.00 % in dipropylene glycol. pungent green fruity apple orange tomato
Water Solubility  Insoluble
Sensitive  Air Sensitive
BRN  1719742
Stability: Light Sensitive
CAS DataBase Reference 1576-87-0(CAS DataBase Reference)
NIST Chemistry Reference 2-pentenal(E)(1576-87-0)

Safety information for trans-2-Pentenal

Signal word Danger
Pictogram(s)
ghs
Flame
Flammables
GHS02
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H225:Flammable liquids
H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P302+P352:IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for trans-2-Pentenal

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