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
Synonyme(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
Formule linéaire :
CH3CH=CHCHO
Numéro CAS:
Poids moléculaire :
70.09
Numéro MDL:
Code UNSPSC :
12352100
ID de substance PubChem :
Nomenclature NACRES :
NA.22
Le tarif et la disponibilité ne sont pas disponibles actuellement.
Produits recommandés
Densité de vapeur
2.41 (vs air)
Pression de vapeur
32 mmHg ( 20 °C)
Essai
≥99%
Forme
liquid
Température d'inflammation spontanée
320 °F
Contient
0.1-0.2% BHT as stabilizer
1% H2O as stabilizer
Limite d'explosivité
19.5 %
Indice de réfraction
n20/D 1.4362 (lit.)
pb
104 °C (lit.)
Pf
−76 °C (lit.)
Solubilité
water: soluble 425.4 g/L at 20 °C
Densité
0.846 g/mL at 25 °C (lit.)
Groupe fonctionnel
aldehyde
Température de stockage
2-8°C
Chaîne SMILES
[H]\C(C)=C(\[H])C([H])=O
InChI
1S/C4H6O/c1-2-3-4-5/h2-4H,1H3/b3-2+
Clé InChI
MLUCVPSAIODCQM-NSCUHMNNSA-N
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Catégories apparentées
Description générale
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).
Mention d'avertissement
Danger
Mentions de danger
Classification des risques
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
Organes cibles
Respiratory system
Code de la classe de stockage
3 - Flammable liquids
Classe de danger pour l'eau (WGK)
WGK 3
Point d'éclair (°F)
48.2 °F - closed cup
Point d'éclair (°C)
9 °C - closed cup
Équipement de protection individuelle
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
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Les clients ont également consulté
F L Chung et al.
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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)
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Planta, 231(5), 1077-1088 (2010-02-17)
Previously we observed that the oxygen-evolving complex 33 kDa protein (OEC33) which stabilizes the Mn cluster in photosystem II (PSII), was modified with malondialdehyde (MDA), an end-product of peroxidized polyunsaturated fatty acids, and the modification increased in heat-stressed plants (Yamauchi
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
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
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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?
1 answer-
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