418102

Butyraldehyd

purified by redistillation, ≥99.5%

• Synonym(e): Butanal
• Lineare Formel: CH₃CH₂CH₂CHO
• CAS-Nummer: 123-72-8
• Molekulargewicht: 72.11
• Beilstein: 506061
• EG-Nummer: 204-646-6
• MDL-Nummer: MFCD00007023
• UNSPSC-Code: 12352100
• PubChem Substanz-ID: 24866205
• NACRES: NA.22

Eigenschaften

• Dampfdichte: 2.5 (vs air)
• Qualitätsniveau: 200
• Dampfdruck: 90 mmHg ( 20 °C)
• Assay: ≥99.5%
• Form: liquid
• Selbstzündungstemp.: 390 °F
• Aufgereinigt durch: redistillation
• Expl.-Gr.: 12.5 %
• Brechungsindex: n20/D 1.380 (lit.)
• bp: 75 °C (lit.)
• mp (Schmelzpunkt): −96 °C (lit.)
• Dichte: 0.8 g/mL at 25 °C (lit.)
• Funktionelle Gruppe: aldehyde
• Organoleptisch: pungent
• SMILES String: [H]C(=O)CCC
• InChI: 1S/C4H8O/c1-2-3-4-5/h4H,2-3H2,1H3
• InChIKey: ZTQSAGDEMFDKMZ-UHFFFAOYSA-N

Beschreibung

Allgemeine Beschreibung

Butyraldehyde, also known as Butanal, is an aliphatic aldehyde, that is commonly used as a versatile building block in various organic reactions, such as in the synthesis of diverse C4–C8 alcohols, esters, amines, and carboxylic acids.

Anwendung

Butyraldehyde can be used as a reactant in the:

• Reductive amination of various nitroarene derivatives to synthesize mono-N-alkylated aniline derivatives.
• Ionic liquid-catalyzed Knoevenagel condensation with active methylene compounds to synthesize substituted electrophilic alkenes.
• NiCl₂-catalyzed synthesis of α-aminonitriles by reacting with amines and trimethylsilyl cyanides.

Sicherheitshinweise

• Piktogramme: GHS02,GHS07
• Signalwort: Danger
• H-Sätze: H225,H319
• P-Sätze: P210 - P233 - P240 - P241 - P242 - P305 + P351 + P338
• Gefahreneinstufungen: Eye Irrit. 2 - Flam. Liq. 2
• Lagerklassenschlüssel: 3 - Flammable liquids
• WGK: WGK 1
• Flammpunkt (°F): <50.0 °F - Pensky-Martens closed cup
• Flammpunkt (°C): < 10 °C - Pensky-Martens closed cup
• Persönliche Schutzausrüstung: Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter