74164

trans-2-Methyl-2-butenal

analytical standard

• Synonym(s): Tiglic aldehyde, (E)-2-Methylbut-2-enal, trans-2,3-Dimethylacrolein, trans-2-Methyl-2-butenal, Tiglinaldehyde
• Linear Formula: CH₃CH=C(CH₃)CHO
• CAS Number: 497-03-0
• Molecular Weight: 84.12
• Beilstein/REAXYS Number: 1698207
• EC Number: 207-833-0
• MDL number: MFCD00006977
• UNSPSC Code: 85151701
• PubChem Substance ID: 329765520
• NACRES: NA.24

Properties

• grade: analytical standard
• Quality Level: 100
• assay: ≥97.0% (GC)
• shelf life: limited shelf life, expiry date on the label
• refractive index: n20/D 1.448 (lit.); n20/D 1.448
• bp: 116-119 °C/752 mmHg (lit.)
• density: 0.869 g/mL at 20 °C; 0.871 g/mL at 25 °C (lit.)
• application(s): cleaning products; cosmetics; food and beverages; personal care
• format: neat
• SMILES string: C\C=C(/C)C=O
• InChI: 1S/C5H8O/c1-3-5(2)4-6/h3-4H,1-2H3/b5-3+
• InChI key: ACWQBUSCFPJUPN-HWKANZROSA-N

Safety Information

• pictograms: GHS02,GHS07
• signalword: Danger
• hcodes: H225,H315,H319,H335
• pcodes: P210 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Flam. Liq. 2 - Skin Irrit. 2 - STOT SE 3
• target_organs: Respiratory system
• Storage Class: 3 - Flammable liquids
• wgk_germany: WGK 3
• flash_point_f: 69.8 °F - closed cup
• flash_point_c: 21 °C - closed cup