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Acetaldehyde

SIAL/00071 - ReagentPlus®, ≥99.0% (GC)

Synonym: Ethanal

CAS Number: 75-07-0
Empirical Formula (Hill Notation): C2H4O
Molecular Weight: 44.05
EC Number: 200-836-8
MDL Number: MFCD00006991
Linear Formula: CH3CHO
Product Type: Chemical

Catalog Number PKG Qty. Price Quantity
45-00071-5ML 5 mL
$30.00
1/EA
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45-00071-100ML 100 mL
$59.60
1/EA
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45-00071-500ML 500 mL
$144.00
1/EA
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45-00071-1L 1 L
$229.00
1/EA
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assay ≥99.0% (GC)
autoignition temp. 365 °F
biological source synthetic
bp 21 °C (lit.)
density 0.785 g/mL at 25 °C (lit.)
expl. lim. 60 %
form liquid
InChI 1S/C2H4O/c1-2-3/h2H,1H3
InChI key IKHGUXGNUITLKF-UHFFFAOYSA-N
mp −125 °C (lit.)
product line ReagentPlus®
Quality Level 200 
refractive index n20/D 1.332 (lit.)
SMILES string CC=O
storage temp. 2-8°C
vapor density 1.52 (vs air)
vapor pressure 14.63 psi ( 20 °C)
Application: Acetaldehyde may be used for the enzymatic synthesis of fatty acids.
Application: It was used in the plasma polymerization for deposition of reactive aldehyde groups onto substrate, in a study to produce fibrous biomaterials with cell adhesive and also repulsive capability in biomedical applications. It was also used as calibration standard during determination of acetone, acetaldehyde, ethanol, and methanol in different human matrices, such as whole blood, vitreous humour, and urine using gas chromatography with flame ionization detection method (GC–FID).
Caution: forms easily paraldehyde
General description: Acetaldehyde is an organic colorless flammable liquid. It can be produced by hydration of acetylene and by catalytic oxidation of ethyl alcohol. It is mainly used in manufacturing acetic acid.
General description: Mechanism of the thermal decomposition of acetaldehyde has been reported. It is a product of ethanol metabolism in the liver, binds covalently to various proteins, thereby alters the liver function and structure. The aldol condensation of acetaldehyde and heptanal in the presence of hydrotalcite-type catalysts has been described.
Legal Information: ReagentPlus is a registered trademark of Sigma-Aldrich Co. LLC
Purity ≥99.0% (GC)
bp 21 °C (lit.)
mp −125 °C (lit.)
Density 0.785 g/mL at 25 °C (lit.)
Refractive Index n20/D 1.332 (lit.)
Storage Temp. 2-8°C
UNSPSC 12352114

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