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W340707

trans-2-Methyl-2-butenal

sum of isomers, ≥98%, FG

Synonym(s):

Tiglic aldehyde, (E)-2-Methylbut-2-enal, trans-2,3-Dimethylacrolein, trans-2-Methyl-2-butenal, Tiglinaldehyde

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About This Item

Linear Formula:
CH3CH=C(CH3)CHO
CAS Number:
497-03-0
Molecular Weight:
84.12
FEMA Number:
3407
Council of Europe no.:
2281
UNSPSC Code:
12164502
PubChem Substance ID:
24901527
Flavis number:
5.095
NACRES:
NA.21
Beilstein/REAXYS Number:
1698207
MDL number:
MFCD00006977
Organoleptic:
green; fruity
Grade:
FG, Halal, Kosher
Biological source:
synthetic
Agency:
meets purity specifications of JECFA
Food allergen:
no known allergens
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biological source

synthetic

Quality Segment

grade

FG, Halal, Kosher

agency

meets purity specifications of JECFA

reg. compliance

EU Regulation 1334/2008 & 178/2002

assay

≥98%

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

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).

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Pictograms

FlameExclamation mark
GHS02,GHS07

Signal Word

Danger

Hazard Classifications

Eye Irrit. 2 - Flam. Liq. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class

3 - Flammable liquids

WGK

WGK 3

Flash Point (°F)

69.8 °F - closed cup

Flash Point (°C)

21 °C - closed cup

PPE (personal protective equipment)

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

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