MilliporeSigma
All Photos(2)

240788

Sigma-Aldrich

Isobutyraldehyde

≥99%

Synonym(s):
2-Methylpropanal, 2-Methylpropionaldehyde
Linear Formula:
(CH3)2CHCHO
CAS Number:
Molecular Weight:
72.11
Beilstein:
605330
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

vapor density

2.5 (vs air)

vapor pressure

66 mmHg ( 4.4 °C)

assay

≥99%

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

water: soluble 11g/100mL at 20 °C(lit.)
acetone: miscible(lit.)
benzene: miscible(lit.)
carbon disulfide: miscible(lit.)
chloroform: miscible(lit.)
diethyl ether: miscible(lit.)
ethanol: miscible(lit.)
toluene: miscible(lit.)

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

Related Categories

General description

Isobutyraldehyde undergoes asymmetric Michael addition reaction with β-nitroalkenes to give quaternary carbon-containing nitroalkanes.

Application

Isobutyraldehyde (2-methylpropionaldehyde) was used in the microbial synthesis of isobutanol (2-methylpropan-1-ol).

Packaging

2, 100 mL in glass bottle

Pictograms

FlameExclamation mark

Signal Word

Danger

Hazard Statements

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

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

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