CIS-2-PENTEN-1-OL Chemical Properties

Melting point:

48.52°C

Boiling point:

138 °C(lit.)

Density 

0.853 g/mL at 25 °C(lit.)

vapor density 

>1 (vs air)

refractive index 

n20/D 1.436(lit.)

FEMA 

4305 | CIS-2-PENTENOL

Flash point:

119 °F

pka

14.70±0.10(Predicted)

form 

powder to lump to clear liquid

color 

White or Colorless to Light yellow

Odor

at 10.00 % in dipropylene glycol. green phenolic nasturtium ethereal medicinal aldehydic cherry narcissus metallic fruity

Odor Type

green

Water Solubility 

Miscible with alcohol. Immiscible with water.

BRN 

1719473

Stability:

Stable. Incompatible with acid chlorides, acid anhydrides, strong oxidizing agents. Flammable.

LogP

1.22

CAS DataBase Reference

1576-95-0(CAS DataBase Reference)

EPA Substance Registry System

(Z)-2-Penten-1-ol (1576-95-0)

Safety Information

Hazard Codes 

Xn

Risk Statements 

10

Safety Statements 

16

RIDADR 

UN 1987 3/PG 3

WGK Germany 

3

TSCA 

Yes

HazardClass 

3

PackingGroup 

III

HS Code 

2905299090

MSDS

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

CIS-2-PENTEN-1-OL Usage And Synthesis

Chemical Properties

clear colorless to pink-beige liquid

Chemical Properties

Colorless liquid; green diffusive aroma.

Occurrence

Reported found in asparagus, bilberry, blueberry, crayfish, kiwi fruit, petitgrain grapefruit oil, angelica seed oil (0.30%).

Uses

cis-2-Penten-1-ol is used in the preparation of 1-bromo-pent-2-ene by reacting with phosphorus tribromide and pyridine. Further, it is a banana flavored compound.

Definition

ChEBI: (Z)-2-penten-1-ol is a 2-penten-1-ol in which the double bond has (Z)-configuration. It is a volatile compound found in green tea, virgin olive oil, and broccoli. It is also used as a fragrance ingredient cosmetics, shampoos and soaps as well as in non-cosmetic products such as household cleaners and detergents. It has a role as a human metabolite, a fragrance, a plant metabolite, an insect attractant, a flavouring agent and a mammalian metabolite. It is a 2-penten-1-ol and a volatile organic compound.

Aroma threshold values

Medium strength odor, green type; recommend smelling in a 10.00% solution or less.

General Description

cis-2-Penten-1-ol is also known as banana flavoured compound. It was found to reduce the efficiency of sex pheromone lures in trapping male moths in a proof long-range field trapping experiment. Kinetics of gas-phase reactions of NO₃ radical with cis-2-penten-1-ol was investigated using relative rates technique.

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