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Key Documents

262668

Sigma-Aldrich

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

Densité de vapeur

2.41 (vs air)

Niveau de qualité

Pression de vapeur

32 mmHg ( 20 °C)

Pureté

≥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.)

Point d'ébullition

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.)

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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Description générale

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).

Mention d'avertissement

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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