In this case, the term "predominantly trans" is not specifically defined, but based on analysis of previous lots, it appears to be between 95% and 98% trans. While this cannot be guaranteed for future lots, historical data suggests this range. It could be a helpful estimation to consider.
262668
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:
Molecular Weight:
70.09
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22
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Recommended Products
vapor density
2.41 (vs air)
Quality Level
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.)
functional group
aldehyde
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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Related Categories
General description
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 Statements
Precautionary Statements
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
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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
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)
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
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)
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
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What does "predominantly trans" mean for product 262668? Is there any guidance available on the amount of trans compared to cis?
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