Skip to Content
Merck
All Photos(1)

Documents

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

Sign Into View Organizational & Contract Pricing
All Photos(1)

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

Looking for similar products? Visit Product Comparison Guide

Related Categories

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)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Customers Also Viewed

Slide 1 of 1

1 of 1

2-Ethylbutyraldehyde ≥92%

Sigma-Aldrich

110094

2-Ethylbutyraldehyde

Reactions of acrolein, crotonaldehyde and pivalaldehyde with Cl atoms: structure-activity relationship and comparison with OH and NO3 reactions.
Ullerstam M, et al.
Physical Chemistry Chemical Physics, 3(6), 986-992 (2001)
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
Seung Eun Lee et al.
PloS one, 7(7), e41676-e41676 (2012-08-01)
Crotonaldehyde, an alpha, beta-unsaturated aldehyde present in cigarette smoke, is an environmental pollutant and a product of lipid peroxidation. It also produces adverse effects to humans and is considered as a risk factor for various diseases. Heme oxygenase-1 (HO-1) plays
Xing-yu Liu et al.
Toxicology letters, 195(1), 90-98 (2010-02-16)
Crotonaldehyde is a widespread environmental pollutant and lipid peroxidation product. Crotonaldehyde is a risk factor for many diseases (e.g., chronic pulmonary inflammation). However, its toxicity and its mechanism of action have not been thoroughly investigated. The purpose of this study
Bi-Cheng Yang et al.
Toxicology letters, 219(1), 26-34 (2013-03-06)
Crotonaldehyde, a highly toxic α, β-unsaturated aldehyde, is a major component of cigarette smoke and a ubiquitous environmental pollutant. Crotonaldehyde exposure is known to have adverse effects on respiratory health, but the underlying mechanisms remain obscure. To examine the interaction
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service