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α-Ionone

analytical standard

Synonym: 4-(2,6,6-Trimethyl-2-cyclohexenyl)-3-buten-2-one

  • CAS Number 127-41-3

  • Empirical Formula (Hill Notation) C13H20O

  • Molecular Weight 192.30

  •  Beilstein/REAXYS Number 3197885

  •  EC Number 204-841-6

  •  MDL number MFCD00001565

  •  PubChem Substance ID 329747748

  •  NACRES NA.24

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Properties

Related Categories A-F, Alcoholic & Nonalcoholic Beverages, All Alphabetically Sorted, Almond, Analytical Standards,
Quality Level   100
grade   analytical standard
assay   ≥96.0% (GC)
shelf life   limited shelf life, expiry date on the label
refractive index   n20/D 1.497-1.502
  n20/D 1.498 (lit.)
bp   259-263 °C (lit.)
density   0.93 g/mL at 25 °C (lit.)
Featured Industry   Cleaning Products
Cosmetics
Flavors and Fragrances
Food and Beverages
Personal Care
SMILES string   CC(=O)\C=C\C1C(C)=CCCC1(C)C
InChI   1S/C13H20O/c1-10-6-5-9-13(3,4)12(10)8-7-11(2)14/h6-8,12H,5,9H2,1-4H3/b8-7+
InChI key   UZFLPKAIBPNNCA-BQYQJAHWSA-N

Description

General description

α-lonone is a C13 norterpenoid formed from the degradation of carotenoids. It is an important fragrance compound used in perfume industries due to its characteristic fine violet and rose scents. Commercially α-lonone is used in cosmetics, personal care products, detergents, etc. As a flavoring agent, it is widely used in various beverages including wine and tea.

Application

α-Ionone may be used as an analytical reference standard for the determination of the analyte in various beverages by chromatography-based techniques.

Safety & Documentation

Safety Information

Symbol 
GHS08  GHS08
Signal word 
Danger
Hazard statements 
Precautionary statements 
RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 2
RTECS 
EN0525000
Flash Point(F) 
244.4 °F - closed cup
Flash Point(C) 
118 °C - closed cup
Protocols & Articles

Articles

GC Analysis of Volatile Flavor Compound Enantiomers on Astec® CHIRALDEX® G-TA

From our library of Articles, Sigma-Aldrich presents GC Analysis of Volatile Flavor Compound Enantiomers on Astec® CHIRALDEX® G-TA
Keywords: Chromatography, Flame ionization detector, Gas chromatography, Size-exclusion chromatography

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Flavor and Fragrance Analysis

We offer quality product solutions in all three stages of analysis to help achieve fast, accurate results. Below, you can learn more about our workflow solutions for sample preparation, separation, d...
Keywords: Calorimetry, Chromatography, Environmental, Gas chromatography, Mass spectrometry, Pesticides, Sample preparations, Separation

Peer-Reviewed Papers
15

References

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