TRANS-2-PENTENOIC ACID Property

Melting point:

9-11 °C(lit.)

Boiling point:

106 °C20 mm Hg(lit.)

Density 

0.99 g/mL at 25 °C(lit.)

refractive index 

n20/D 1.452(lit.)

FEMA 

4193 | 2-PENTENOIC ACID

Flash point:

102 °C

storage temp. 

Store below +30°C.

solubility 

60g/l

form 

Liquid

pka

pK1:4.70 (25°C)

color 

Clear colorless to light yellow

Odor

at 100.00 %. acidic feta cheese buttery

Odor Type

cheesy

explosive limit

1.6%(V)

JECFA Number

1804

BRN 

1720312

InChIKey

YIYBQIKDCADOSF-ONEGZZNKSA-N

LogP

1.333 (est)

CAS DataBase Reference

13991-37-2(CAS DataBase Reference)

EPA Substance Registry System

2-Pentenoic acid, (2E)- (13991-37-2)

Safety

Hazard Codes 

C

Risk Statements 

22-34

Safety Statements 

26-36/37/39-45

RIDADR 

UN 3265 8/PG 3

WGK Germany 

3

RTECS 

SB2750000

Hazard Note 

Harmful/Corrosive

HazardClass 

8

PackingGroup 

III

HS Code 

29161900

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H314Causes severe skin burns and eye damage

Precautionary statements

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

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P363Wash contaminated clothing before reuse.

P405Store locked up.

TRANS-2-PENTENOIC ACID Chemical Properties,Usage,Production

Chemical Properties

clear colorless to light yellow liquid

Chemical Properties

Colorless liquid; sour caramellic aroma.

Occurrence

Reported found in banana and beer.

Uses

2-Pentenoic acid has been used in preparation of new nonsteroidal human androgen receptor (hAR) agonists from an hAR antagonist pharmacophore, 2(1H)-piperidino[3,2-g]quinolinone.

Definition

ChEBI: A pent-3-enoic acid in trans- configuration.

Aroma threshold values

Medium strength odor, cheese type; recommend smelling in a 1% solution or less.

Taste threshold values

Sour acetic buttery taste at 25 ppm in water.