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
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
204-646-6
Beilstein/REAXYS Number:
506061
MDL number:
Assay:
≥99.5%
Form:
liquid
vapor density
2.5 (vs air)
Quality Segment
vapor pressure
90 mmHg ( 20 °C)
assay
≥99.5%
form
liquid
autoignition temp.
390 °F
purified by
redistillation
expl. lim.
12.5 %
refractive index
n
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
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.
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Signal Word
Danger
Hazard Codes
Precautionary Statements
Hazard Classifications
Eye Irrit. 2 - Flam. Liq. 2
Storage Class
3 - Flammable liquids
PPE (personal protective equipment)
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
Flash Point (°F)
12.2 °F - closed cup
Flash Point (°C)
-11 °C - closed cup
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