Skip to Content
Merck
All Photos(1)

Documents

418110

Sigma-Aldrich

Isobutyraldehyde

redistilled, ≥99.5%

Synonym(s):

2-Methylpropanal, 2-Methylpropionaldehyde

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Linear Formula:
(CH3)2CHCHO
CAS Number:
78-84-2
Molecular Weight:
72.11
Beilstein:
605330
EC Number:
201-149-6
MDL number:
MFCD00006980
UNSPSC Code:
12352100
PubChem Substance ID:
24866206
NACRES:
NA.22

vapor density

2.5 (vs air)

vapor pressure

66 mmHg ( 4.4 °C)

Assay

≥99.5%

form

liquid

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.)

storage temp.

2-8°C

SMILES string

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

InChI

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

InChI key

AMIMRNSIRUDHCM-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Application

Isobutyraldehyde has been used to investigate the renewable production of isobutyraldehyde from engineered Escherichia coli. It is also used as reagent during the epoxidation of cis-cyclooctene on iron complexed to acetylacetonate (acac)/silica xerogel.

Pictograms

FlameExclamation mark
GHS02,GHS07

Signal Word

Danger

Hazard Statements

H225,H319

Hazard Classifications

Eye Irrit. 2 - Flam. Liq. 2

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

-11.2 °F - closed cup

Flash Point(C)

-24 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Iron acetylacetonate complex anchored on silica xerogel polymer.
Brasil MC, et al.
Reaction Kinetics and Catalysis Letters, 63(2), 135-141 (2005)
The reactions of alkyl radicals. Part 2.-s-propyl radicals from the photolysis of isobutyraldehyde.
Kerr JA and Trotman-Dickenson AF.
Transactions of the Faraday Society, 55, 921-928 (1959)
Oxidative dehydrogenation of isobutyraldehyde to methacrolein over iron phosphate catalyst.
Muneyama E, et al.
J. Mol. Catal., 89(3), 371-381 (1993)
Specific anosmia to isobutyraldehyde: the malty primary odor.
MOORE JE, et al.
Chemical Senses, 2(1), 17-25 (1976)
Christine Counet et al.
Journal of agricultural and food chemistry, 50(8), 2385-2391 (2002-04-04)
After vacuum distillation and liquid-liquid extraction, the volatile fractions of dark chocolates were analyzed by gas chromatography-olfactometry and gas chromatography-mass spectrometry. Aroma extract dilution analysis revealed the presence of 33 potent odorants in the neutral/basic fraction. Three of these had
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service