03642

α-Ionone

analytical standard

• Synonym(s): 4-(2,6,6-Trimethyl-2-cyclohexenyl)-3-buten-2-one
• Empirical Formula (Hill Notation): C₁₃H₂₀O
• CAS Number: 127-41-3
• Molecular Weight: 192.30
• UNSPSC Code: 77101502
• NACRES: NA.24
• PubChem Substance ID: 329747748
• EC Number: 204-841-6
• Beilstein/REAXYS Number: 3197885
• MDL number: MFCD00001565

Properties

• grade: analytical standard
• Quality Segment: 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

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.

Other Notes

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.

Safety Information

• Storage Class: 10 - Combustible liquids
• flash_point_f: 244.4 °F - closed cup
• flash_point_c: 118 °C - closed cup
• hcodes: H412
• pcodes: P273 - P501
• Hazard Classifications: Aquatic Chronic 3