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Merck
CN

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

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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

Key Documents

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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

biological source

synthetic

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

Quality Level

300, 400

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

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Related Categories

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).

pictograms

FlameExclamation mark
GHS02,GHS07

signalword

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

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

Regulatory Information

危险化学品
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Certificates of Analysis (COA)

Lot/Batch Number
SHBT5857
SHBS9768
SHBS8901
SHBS6492
SHBR2541

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Characterisation of 39 varietal virgin olive oils by their volatile compositions.
Luna G, et al.
Food Chemistry, 98(2), 243-252 (2006)
Free and glycosidically bound volatiles in coriander herb (Coriandrum sativum).
Padmakumari KP.
Journal of Essential Oil-Bearing Plants, 11(6), 615-622 (2008)
Pingxi Xu et al.
Proceedings of the National Academy of Sciences of the United States of America, 111(46), 16592-16597 (2014-10-29)
Insect repellents are important prophylactic tools for travelers and populations living in endemic areas of malaria, dengue, encephalitis, and other vector-borne diseases. DEET (N,N-diethyl-3-methylbenzamide) is a 6-decade-old synthetic repellent, which is still considered the gold standard of mosquito repellents. Mosquitoes

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