07592

trans-2-Nonenal

analytical standard

• Lineare Formel: CH₃(CH₂)₅CH=CHCHO
• CAS-Nummer: 18829-56-6
• Molekulargewicht: 140.22
• NACRES: NA.24
• PubChem Substance ID: 329748484
• UNSPSC Code: 85151701
• EC Number: 242-609-6
• MDL number: MFCD00007012

Eigenschaften

• grade: analytical standard
• Quality Segment: 100
• vapor density: >1 (vs air)
• assay: ≥95.0% (GC)
• shelf life: limited shelf life, expiry date on the label
• impurities: ≤0.5% water
• refractive index: n20/D 1.453 (lit.), n20/D 1.454-1.458
• bp: 88-90 °C/12 mmHg (lit.)
• density: 0.846 g/mL at 25 °C (lit.)
• application(s): cleaning products; cosmetics; flavors and fragrances; food and beverages; personal care
• format: neat
• SMILES string: [H]C(=O)C(\[H])=C(/[H])CCCCCC
• InChI: 1S/C9H16O/c1-2-3-4-5-6-7-8-9-10/h7-9H,2-6H2,1H3/b8-7+
• InChI key: BSAIUMLZVGUGKX-BQYQJAHWSA-N

Beschreibung

General description

trans-2-Nonenal (T2N) is a volatile unsaturated aldehyde with an unpleasant greasy odor, present in low concentrations in barley, malt, and certain vegetables.[1] It is utilized as an insect repellent, insecticide, and flavor compound. T2N is one of the basic components contributing to the off-flavor and odor in stored beer.

Application

trans-2-Nonenal (T2N) may be used as a reference standard for the determination of the analyte in barley and malt samples by analytical methods.

Sicherheitshinweise

• pictograms: GHS07
• signalword: Warning
• hcodes: H315,H319,H335
• Hazard Classifications: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• Lagerklasse: 10 - Combustible liquids
• flash_point_f: 183.2 °F - closed cup
• flash_point_c: 84 °C - closed cup
• target_organs: Respiratory system
• pcodes: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338