Skip to Content
MilliporeSigma
All Photos(1)

Key Documents

View All Documentation

58170

Sigma-Aldrich

α-Ionone

technical, ≥90% (GC)

Synonym(s):

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

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Empirical Formula (Hill Notation):
C13H20O
CAS Number:
127-41-3
Molecular Weight:
192.30
Beilstein/REAXYS Number:
3197885
EC Number:
204-841-6
MDL number:
MFCD00001565
UNSPSC Code:
12352100
PubChem Substance ID:
329758404

grade

technical

assay

≥90% (GC)

impurities

<10% β-ionone

refractive index

n20/D 1.498 (lit.)
n20/D 1.500

bp

259-263 °C (lit.)

density

0.93 g/mL at 25 °C (lit.)

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

Looking for similar products? Visit Product Comparison Guide

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
304482/1

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Sabine Sewenig et al.
Journal of agricultural and food chemistry, 53(4), 838-844 (2005-02-17)
A new coupling system of GC-GC, connected via a Multi Column Switching Device MCS2 for measuring isotope ratios, is introduced. By means of several standard substances the precise and accurate measurement of isotopic values is proved. First applications concerning the
J Lalko et al.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 45 Suppl 1, S251-S257 (2007-11-23)
A toxicologic and dermatologic review of ionone when used as a fragrance ingredient is presented.
Ufuk Ozgen et al.
Molecules (Basel, Switzerland), 15(4), 2593-2599 (2010-04-30)
Sonchus erzincanicus (Asteraceae) is an endemic species in Turkey, where six Sonchus species grow. In this study, a phytochemical study was performed on the aerial parts of the plant. The study describes the isolation and structure elucidation of five flavonoids
Marco Luparia et al.
Chemistry & biodiversity, 5(6), 1045-1057 (2008-07-12)
To study the influence of the steric bulk of the substituents at C(5) on the olfactory characteristics of alpha-ionone, the (S)-antipodes of compounds 8-10 were synthesized starting from (S)-alpha-cyclogeraniol (14a). The latter was available in useful preparative yield with 95%
Yonghong Wu et al.
Environmental microbiology, 13(3), 604-615 (2010-11-09)
Periphyton biofilms are natural mixtures comprised of photoautotrophic and heterotrophic complex microorganisms. In this work, the inhibition effects of periphyton biofilms on cyanobacterial blooms were studied in pilot and field trials. Results show that the cyanobacterial species responsible for the
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service