Ionone

CAS Number
8013-90-9
EC Number
232-396-8

What is Ionone?

Ionone (CAS 8013-90-9) is a naturally derived fragrance and flavor compound obtained from the oxidative cleavage of carotene.

Where is Ionone used?

  • Fine fragrance and personal care: floral-powdery violet note in perfumes, body lotions and hair care products
  • Food and beverage: flavoring agent imparting berry, raspberry and woody nuances in confectionery, baked goods and beverages
  • Cosmetics: lasting floral character in soaps and detergents
  • In tobacco flavoring it contributes depth and smoothness to blended profiles.

Good to know: Available commercially as a mixture of alpha and beta isomers; alpha-ionone, beta-ionone and mixed isomer grades are offered. FCC-compliant material is available for regulated food and beverage applications.

Commercial specifications

  • Alpha-ionone, beta-ionone and mixed isomer grades

Other Names (Synonyms)

4-(2,6,6-Trimethyl-2(1)-cyclohexen-1-yl)-3-buten-2-one|QP734LIN1K|RefChem:1087416|Irisone

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What are the physical properties of Ionone?

Boiling Point 125-128 °C @ Press: 16 Torr
Density 0.853 g/cm³ @ Temp: 20 °C
Appearance Light-yellow to colorless liquid; violet odor.Soluble in alcohol, ether, mineral oil, and propylene glycol; insoluble in water and glycerol.
Odor at 10.00 % in dipropylene glycol. violet sweet floral woody
Form liquid
Vapor Pressure 0.0013 hPa ( 20 °C)
Refractive Index 1.5200 (estimate)
Log P 4.100

How is Ionone classified and handled safely? Learn More

Warning
GHS09· Environmental Hazard GHS07· Irritant

Hazard Statements

H315 Causes skin irritation
H317 May cause an allergic skin reaction
H401 Toxic to aquatic life
H411 Toxic to aquatic life with long lasting effects

Precautionary Statements

P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash … thoroughly after handling.
P272 Contaminated work clothing should not be allowed out of the workplace.
P273 Avoid release to the environment.

Which trade and regulatory codes apply to Ionone?

Storage Class 10 - Combustible liquids
WGK (Germany) 2
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