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Merck
CN

538205

Isobutyraldehyde

dry, 98%

Synonym(s):

2-Methylpropanal, 2-Methylpropionaldehyde

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About This Item

Linear Formula:
(CH3)2CHCHO
CAS Number:
78-84-2
Molecular Weight:
72.11
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
24878311
EC Number:
201-149-6
Beilstein/REAXYS Number:
605330
MDL number:
MFCD00006980

Key Documents

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Product Name

Isobutyraldehyde, dry, 98%

InChI key

AMIMRNSIRUDHCM-UHFFFAOYSA-N

InChI

1S/C4H8O/c1-4(2)3-5/h3-4H,1-2H3

SMILES string

[H]C(=O)C(C)C

vapor density

2.5 (vs air)

vapor pressure

66 mmHg ( 4.4 °C)

assay

98%

autoignition temp.

384 °F

expl. lim.

10 %, 25 °F
2 %, 32 °F

refractive index

n20/D 1.374 (lit.)

bp

63 °C (lit.)

mp

−65 °C (lit.)

solubility

60 g/L at 25 °C

density

0.79 g/mL at 25 °C (lit.)

functional group

aldehyde

storage temp.

2-8°C

Quality Level

200

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Application

Isobutyraldehyde may be used in the synthesis of the following compounds:
  • N-cyclohrxyl-α-dimethylaminoisovalerarnide
  • N′-cyclohexyl-N,N-dimethyl-α-dimethylaminoisovaleramidine
  • α-acetoxy-N-cyclohexylisovaleramide
  • acetic anhydride
  • N-cyclohexyl-a-formyloxyisovaleramide
  • cyclic carbonates
  • hydroxypivaldehyde, which is useful for the preparation of neopentyl glycol (NPG)
It may also be employed for the microbial synthesis of isobutanol.

General description

Isobutyraldehyde is an α,α-disubstituted aldehyde. It is an important raw material for the manufacture of various industrially important chemicals. It may be produced from CO2 and overexpression of ribulose 1,5-bisphosphate carboxylase/oxygenase employing genetically engineered strain of Synechococcus elongatus PCC7942. Enantioenriched γ-nitroaldehydes are obtained from the conjugate addition reaction between isobutyraldehyde with nitroalkenes in the presence of chiral organocatalysts.

pictograms

FlameExclamation mark
GHS02,GHS07

signalword

Danger

hcodes

H225,H319

Hazard Classifications

Eye Irrit. 2 - Flam. Liq. 2

Storage Class

3 - Flammable liquids

wgk

WGK 1

flash_point_f

-11.2 °F - closed cup

flash_point_c

-24 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves

Regulatory Information

危险化学品
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Certificates of Analysis (COA)

Lot/Batch Number
SHBT1733
SHBS4556
SHBS3175
SHBR6547
SHBL4404

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Enantioselective Michael addition of isobutyraldehyde to nitroalkenes organocatalyzed by chiral primary amine-guanidines.
Avila A, et al.
Tetrahedron Asymmetry, 25(5), 462-467 (2014)
Reactions of cyclohexylisonitrile and isobutyraldehyde with various nucleophiles and catalysts.
McFarland JW.
The Journal of Organic Chemistry, 28(9), 2179-2181 (1963)
Cross-Aldol condensation of isobutyraldehyde and formaldehyde using phase transfer catalyst.
Hashmi A.
Journal of Saudi Chemical Society (2013)
Xiang Liu et al.
Journal of biotechnology, 164(2), 188-195 (2012-09-15)
We have determined the X-ray crystal structures of the NADH-dependent alcohol dehydrogenase LlAdhA from Lactococcus lactis and its laboratory-evolved variant LlAdhA(RE1) at 1.9Å and 2.5Å resolution, respectively. LlAdhA(RE1), which contains three amino acid mutations (Y50F, I212T, and L264V), was engineered
Hyunwoo Kim et al.
Organic letters, 11(1), 157-160 (2008-12-10)
Addition of isobutyraldehyde to 1,2-bis(2-hydroxyphenyl)-1,2-diaminoethane (mother diamine) cleanly gives a stable, fused imidazolidine-dihydro-1,3-oxazine ring complex. However, vigorous heating of the fused ring complex gives the diaza-Cope rearrangement product with excellent yield and stereoselectivity. A variety of alkyl aldehydes have been
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