418102
Butyraldehyde
purified by redistillation, ≥99.5%
Synonym(s):
Butanal
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About This Item
Linear Formula:
CH3CH2CH2CHO
CAS Number:
Molecular Weight:
72.11
Beilstein:
506061
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22
vapor density
2.5 (vs air)
Quality Level
vapor pressure
90 mmHg ( 20 °C)
Assay
≥99.5%
form
liquid
autoignition temp.
390 °F
purified by
redistillation
expl. lim.
12.5 %
refractive index
n20/D 1.380 (lit.)
bp
75 °C (lit.)
mp
−96 °C (lit.)
density
0.8 g/mL at 25 °C (lit.)
functional group
aldehyde
Organoleptic
pungent
SMILES string
[H]C(=O)CCC
InChI
1S/C4H8O/c1-2-3-4-5/h4H,2-3H2,1H3
InChI key
ZTQSAGDEMFDKMZ-UHFFFAOYSA-N
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General description
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.
Application
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.
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Eye Irrit. 2 - Flam. Liq. 2
Storage Class Code
3 - Flammable liquids
WGK
WGK 1
Flash Point(F)
<50.0 °F - Pensky-Martens closed cup
Flash Point(C)
< 10 °C - Pensky-Martens closed cup
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Regulatory Information
危险化学品
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The condensation of butyraldehyde and aniline.
Kharasch MS, et al.
Journal of the American Chemical Society, 62(3), 494-497 (1940)
Heterogeneous photocatalytic oxidation of gas-phase organics for air purification: acetone, 1-butanol, butyraldehyde, formaldehyde, and m-xylene oxidation.
Peral J and Ollis DF.
J. Catal., 1136(2), 554-565 (1992)
Phosphazene base promoted anionic polymerization of n-butyraldehyde
Inge W, et al.
European Polymer Journal, 93, 97-102 (2017)
Renewable synthesis of n-butyraldehyde from glucose by engineered Escherichia coli
Jason T K, et al.
Biotechnology for Biofuels, 10, 1-10 (2017)
Aldol addition of butyraldehyde over solid base catalysts.
Zhang G, et al.
Bulletin of the Chemical Society of Japan, 62(6), 2070-2072 (1989)
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