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About This Item
Linear Formula:
CH3CH2CH2CHO
CAS Number:
Molecular Weight:
72.11
Beilstein/REAXYS Number:
506061
EC Number:
MDL number:
UNSPSC Code:
12352114
PubChem Substance ID:
NACRES:
NA.21
assay:
≥99.0%
bp:
75 °C (lit.)
vapor pressure:
90 mmHg ( 20 °C)
Recommended Products
vapor density
2.5 (vs air)
Quality Level
vapor pressure
90 mmHg ( 20 °C)
assay
≥99.0%
autoignition temp.
390 °F
expl. lim.
12.5 %
impurities
≤0.30% (water)
refractive index
n20/D 1.380 (lit.)
bp
75 °C (lit.)
mp
−96 °C (lit.)
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General description
Butyraldehyde (n-Butyraldehyde), an aliphatic aldehyde, can be synthesized by dehydrogenation of butanol in the presence of zinc catalyst. It is an important precursor for preparing polyvinylbutyral. The mechanism of pyrolysis of butyraldehyde in the gas-phase has been described. The kinetic study of the condensation reaction between butyraldehyde and poly(vinyl alcohol) indicates retardation effect.
Application
Butyraldehyde (n-Butyraldehyde) may be used in the preparation of 2-ethylhexanal (2EH) via hydrogenation in the presence of tetraamine palladium(II) chloride supported on the potassium ion-exchanged zeolite X (Pd/KXW) and on the potassium ion-added zeolite X (Pd/KXU).
signalword
Danger
hcodes
Hazard Classifications
Eye Irrit. 2 - Flam. Liq. 2
Storage Class
3 - Flammable liquids
wgk_germany
WGK 1
flash_point_f
<50.0 °F - Pensky-Martens closed cup
flash_point_c
< 10 °C - Pensky-Martens closed cup
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Highly selective Pd/KX catalysts for low-pressure one-step synthesis of 2-ethylhexanal from n-butyraldehyde and hydrogen.
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Thermal decomposition products of butyraldehyde.
Hatten CD, et al.
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Kinetic studies on dehydrogenation of butanol to butyraldehyde using zinc oxide as catalyst.
Raizada VK, et al.
Journal of Chemical Technology and Biotechnology, 56(3), 265-270 (1993)
N Gregory et al.
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Bovine soles and shavings from the heel were used in laboratory tests that examined the softening and swelling effects of rainwater, cow slurry (faeces plus urine), urine, silage effluent, and washings from recently laid concrete. Formalin, glutaraldehyde and butyraldehyde were
Protocols
-Tolualdehyde; Valeraldehyde; Isovaleraldehyde
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