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262668

Sigma-Aldrich

Crotonaldehyde, predominantly trans

≥99%, contains 0.1-0.2% BHT as stabilizer, 1% H2O as stabilizer

Synonym(s):

(2E)-2-Butenal, (E)-But-2-en-1-al, 2(E)-Butenal, trans-2-Buten-1-al, trans-2-Butenal, trans-Crotonal

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About This Item

Linear Formula:
CH3CH=CHCHO
CAS Number:
123-73-9
Molecular Weight:
70.09
MDL number:
MFCD00007003
UNSPSC Code:
12352100
PubChem Substance ID:
24855882
NACRES:
NA.22

vapor density

2.41 (vs air)

vapor pressure

32 mmHg ( 20 °C)

Assay

≥99%

form

liquid

autoignition temp.

320 °F

contains

0.1-0.2% BHT as stabilizer
1% H2O as stabilizer

expl. lim.

19.5 %

refractive index

n20/D 1.4362 (lit.)

bp

104 °C (lit.)

mp

−76 °C (lit.)

solubility

water: soluble 425.4 g/L at 20 °C

density

0.846 g/mL at 25 °C (lit.)

storage temp.

2-8°C

SMILES string

[H]\C(C)=C(\[H])C([H])=O

InChI

1S/C4H6O/c1-2-3-4-5/h2-4H,1H3/b3-2+

InChI key

MLUCVPSAIODCQM-NSCUHMNNSA-N

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General description

Rate coefficients for the reaction of crotonaldehyde with chlorine atoms have been determined. Reaction of crotonaldehyde with DNA has been investigated.

Application

  • Crotonaldehyde (Cis and Trans): Discusses the production and properties of crotonaldehyde, including trans isomer, via aldol condensation of acetaldehyde and catalytic methods (Grant & Jenkins, 2015).
  • Modeling, simulation and analysis of a process for the production of crotonaldehyde: Analyzes the production of crotonaldehyde, highlighting the stereoisomeric forms, including trans-crotonaldehyde (Scheithauer et al., 2016).

Signal Word

Danger

Hazard Classifications

Acute Tox. 1 Inhalation - Acute Tox. 3 Dermal - Acute Tox. 3 Oral - Aquatic Acute 1 - Eye Dam. 1 - Flam. Liq. 2 - Muta. 2 - Skin Irrit. 2 - STOT RE 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

48.2 °F - closed cup

Flash Point(C)

9 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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F L Chung et al.
Cancer research, 44(3), 990-995 (1984-03-01)
Acrolein reacted with deoxyguanosine at pH 7 and 37 degrees to give three major products, Adducts 1 to 3, which were separated by high-performance liquid chromatography. They were identified by their ultraviolet, mass, and nuclear magnetic resonance spectra, by the
Eşref Demir et al.
Mutation research, 726(2), 98-103 (2011-07-19)
Lipid-peroxidation products are formed by the thermal treatment of foodstuffs, as well as by endogenous processes. In addition, they are also common environmental pollutants originating from many different sources. Since conflicting data exist on their possible risk for humans, we
Giorgia Volpi et al.
British journal of pharmacology, 163(3), 649-661 (2011-02-11)
Vascular endothelial growth factor (VEGF) is an angiogenic factor known to be elevated in the sputum of asymptomatic smokers as well as smokers with bronchitis type of chronic obstructive pulmonary disease. The aim of this study was to investigate whether
Organocatalytic asymmetric inverse-electron-demand Diels-Alder reaction of electron-deficient dienes and crotonaldehyde.
Jun-Long Li et al.
Angewandte Chemie (International ed. in English), 49(36), 6418-6420 (2010-07-31)
Seung Eun Lee et al.
Toxicology letters, 201(3), 240-248 (2011-01-18)
Crotonaldehyde, a highly reactive α, β-unsaturated aldehyde, is a ubiquitous environmental pollutant and a product of endogenous lipid peroxidation. It is also a major component of cigarette smoke and is present in many foods and beverages, and has also been
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