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)
Niveau de qualité
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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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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