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

Properties

• 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

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.

Recommended products

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Safety Information

• pictograms: GHS08
• signalword: Danger
• hcodes: H334
• pcodes: P261 - P342 + P311
• Hazard Classifications: Resp. Sens. 1
• Storage Class: 10 - Combustible liquids
• wgk_germany: WGK 2
• flash_point_f: 244.4 °F - closed cup
• flash_point_c: 118 °C - closed cup