W340707

trans-2-Methyl-2-butenal

sum of isomers, ≥99%, FG

• 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
• FEMA Number: 3407
• Beilstein/REAXYS Number: 1698207
• Council of Europe no.: 2281
• MDL number: MFCD00006977
• UNSPSC Code: 12164502
• PubChem Substance ID: 24901527
• Flavis number: 5.095
• NACRES: NA.21

Properties

• biological source: synthetic
• Quality Level: 400
• grade: FG; Halal; Kosher
• agency: meets purity specifications of JECFA
• reg. compliance: EU Regulation 1334/2008 & 178/2002
• assay: ≥99%
• impurities: <2.0% tiglic acid
• refractive index: n20/D 1.448 (lit.)
• bp: 116-119 °C/752 mmHg (lit.); 116-122 °C
• density: 0.869 g/mL at 20 °C; 0.871 g/mL at 25 °C (lit.)
• application(s): flavors and fragrances
• documentation: see Safety & Documentation for available documents
• food allergen: no known allergens
• organoleptic: green; fruity
• 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

Description

General description

trans-2-Methyl-2-butenal is one of the major volatile constituents of coriander and olive oil.

Application

• Gas-Phase Reaction of trans-2-Methyl-2-butenal with Cl: Kinetics, Gaseous Products, and SOA Formation.: This study provides a comprehensive analysis of the atmospheric reactions involving trans-2-Methyl-2-butenal, highlighting its impact on air quality and secondary organic aerosol (SOA) formation. Such insights are crucial for environmental chemists and policymakers aiming to understand and mitigate air pollution (Antiñolo et al., 2020).

Safety Information

• pictograms: GHS02,GHS07
• signalword: Danger
• hcodes: H225,H315,H319,H335
• pcodes: P210 - P233 - P240 - P241 - P303 + P361 + P353 - 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
• ppe: Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter