Beta Ionone

Product Name:

Beta Ionone

Synonyms:

(E)-4-(2,6,6-trimethylcyclohexen-1-yl)but-3-en-2-one;Natural Beta-ionone;BETA-IONON R;(EZ)-β-Ionone;3-Buten-2-one, 4-(2,6,6-trimethyl-1-cyclohexen-1-yl)-, (E)-;4-(2,6,6-trimethyl-1-cyclohexen-1-yl)-3-buten-2-on;4-(2,6,6-trimethyl-1-cyclohexen-1-yl)-3-buten-2-one (beta-ionone);4-(2,6,6-trimethyl-1-cyclohexene-1-yl)-3-buten-2-one

CAS:

14901-07-6

MF:

C13H20O

MW:

192.3

EINECS:

238-969-9

Product Categories:

Pharmaceutical Intermediates;Biochemistry;Monocyclic Monoterpenes;Terpenes

Mol File:

14901-07-6.mol

Melting point 

-49°C

Boiling point 

126-128 °C12 mm Hg(lit.)

density 

0.945 g/mL at 25 °C(lit.)

FEMA 

2595 | BETA-IONONE

refractive index 

n20/D 1.52(lit.)

Fp 

230 °F

storage temp. 

2-8°C

form 

Liquid

color 

Clear slightly yellow to yellow

Water Solubility 

SLIGHTLY SOLUBLE

Merck 

14,5056

JECFA Number

389

BRN 

1909544

CAS DataBase Reference

14901-07-6(CAS DataBase Reference)

NIST Chemistry Reference

4-(2,6,6-Trimethylcyclohex-1-en-1-yl)but-3-en-2-one(14901-07-6)

EPA Substance Registry System

4-(2,6,6-Trimethyl-1-cyclohexenyl)-3-buten-2-one (14901-07-6)

Hazard Codes 

Xi,N

Risk Statements 

38-51/53-36/37/38

Safety Statements 

61-36/37/39-27-26-24/25

RIDADR 

UN 3082 9/PG 3

WGK Germany 

2

RTECS 

EN0500000

HS Code 

29147000

Description

β-Ionone has a characteristic violet-like odor, more fruity and woody than α-ionone. May be prepared by condensing citral with acetone to form pseudoionone, which is then cyclized by acid-type reagents.

Chemical Properties

β-Ionone has a characteristic violet-like odor, more fruity and woody than α-ionone

Chemical Properties

clear slightly yellow to yellow liquid

Occurrence

Reported found in the distillate from flowers of Boronia megatisma Nees. Also reported found in apricot, orange juice, lemon peel oil, guava, grapes, melon, papaya, peach, raspberry, blackberry, carrot, peas, bell pepper, tomato, ginger, peppermint and spearmint oil, milk powder, beef, hop oil, cognac, whiskies, grape wines, tea, passion fruit, plum, beans, mushroom, starfruit, almonds, mango, fenugreek, tamarind, apple and pear brandy, rice bran, quince, prickly pear, sweet potato, buckwheat, corn oil, corn tortillas, loquat, mountain papaya, clary sage and other sources

Preparation

By condensing citral with acetone to form pseudoionone, which is then cyclized by acid-type reagents.

Aroma threshold values

Detection: 0.007 to 205 ppb

Taste threshold values

Taste characteristics art 10 ppm: woody, sweet, fruity, berry-like with a green berry background

General Description

Colorless to light yellow liquid with an odor of cedar wood. In very dilute alcoholic solution the odor resembles odor of violets. Used in perfumery.

Air & Water Reactions

Slightly water soluble .

Reactivity Profile

Irisone may react vigorously with oxidizing agents. May react exothermically with reducing agents to release hydrogen gas.

Health Hazard

ACUTE/CHRONIC HAZARDS: Toxic. May cause allergic reaction.