Skip to Content
Merck
CN
All Photos(1)

Documents

03642

Supelco

α-Ionone

analytical standard

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:
3197885
EC Number:
204-841-6
MDL number:
MFCD00001565
UNSPSC Code:
77101502
PubChem Substance ID:
329747748
NACRES:
NA.24

grade

analytical standard

Quality Level

100

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.)

application(s)

cleaning products
cosmetics
flavors and fragrances
food and beverages
personal care

format

neat

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

Related Categories

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.

Recommended products

Find a digital Reference Material for this product available on our online platform ChemisTwin® for NMR. You can use this digital equivalent on ChemisTwin® for your sample identity confirmation and compound quantification (with digital external standard). An NMR spectrum of this substance can be viewed and an online comparison against your sample can be performed with a few mouseclicks. Learn more here and start your free trial.

Pictograms

Health hazard
GHS08

Signal Word

Danger

Hazard Statements

H334

Precautionary Statements

P261 - P342 + P311

Hazard Classifications

Resp. Sens. 1

WGK

WGK 2

Flash Point(F)

244.4 °F

Flash Point(C)

118 °C

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Sorry, we don't have COAs for this product available online at this time.

If you need assistance, please contact Customer Support.

Already Own This Product?

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

Visit the Document Library

Specific anosmia observed for $\beta$-ionone, but not for $\alpha$-ionone: significance for flavor research
Plotto A, et al.
Journal of Food Science, 71(5), S401-S406 (2006)
Quantitative determination of $\alpha$-ionone, $\beta$-ionone, and $\beta$-damascenone and enantiodifferentiation of $\alpha$-ionone in wine for authenticity control using multidimensional gas chromatography with tandem mass spectrometric detection
Langen J, et al.
Analytical and Bioanalytical Chemistry, 408(23), 6483-6496 (2016)
Quantitative determination of trace and ultratrace flavour active compounds in red wines through gas chromatographic?ion trap mass spectrometric analysis of microextracts.
Ferreira V, et al.
Journal of Chromatography A, 806(2), 349-354 (1998)
Identification and aroma impact of norisoprenoids in orange juice
Mahattanatawee K, et al.
Journal of Agricultural and Food Chemistry, 53(2), 393-397 (2005)
Determination of volatile chemical constitutes in tea by simultaneous distillation extraction, vacuum hydrodistillation and thermal desorption
Zhu M, et al.
Chromatographia, 68(7-8), 603-610 (2008)
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