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Merck
CN

00071

Acetaldehyde

≥99.0% (GC), liquid, ReagentPlus®

Synonym(s):

Ethanal

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About This Item

Linear Formula:
CH3CHO
CAS Number:
75-07-0
Molecular Weight:
44.05
NACRES:
NA.21
PubChem Substance ID:
329746998
eCl@ss:
39021102
UNSPSC Code:
12352114
EC Number:
200-836-8
MDL number:
MFCD00006991
Beilstein/REAXYS Number:
505984

Key Documents

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Product Name

Acetaldehyde, ReagentPlus®, ≥99.0% (GC)

InChI key

IKHGUXGNUITLKF-UHFFFAOYSA-N

InChI

1S/C2H4O/c1-2-3/h2H,1H3

SMILES string

CC=O

biological source

synthetic

vapor density

1.52 (vs air)

vapor pressure

14.63 psi ( 20 °C)

product line

ReagentPlus®

assay

≥99.0% (GC)

form

liquid

autoignition temp.

365 °F

expl. lim.

60 %

refractive index

n20/D 1.332 (lit.)

bp

21 °C (lit.)

mp

−125 °C (lit.)

density

0.785 g/mL at 25 °C (lit.)

functional group

aldehyde

storage temp.

2-8°C

Quality Level

200

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Application

Acetaldehyde may be used for the enzymatic synthesis of fatty acids.
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).

Disclaimer

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.
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 Merck KGaA, Darmstadt, Germany

signalword

Danger

Hazard Classifications

Carc. 1B - Eye Irrit. 2 - Flam. Liq. 1 - Muta. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

3 - Flammable liquids

wgk

WGK 3

flash_point_f

-38.0 °F - closed cup

flash_point_c

-38.89 °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
SDBB3709
SHBS6164
SHBS3951
STBL4585
SHBR6258

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THE ENZYMATIC SYNTHESIS OF FATTY ACIDS BY ALDOL CONDENSATION.
R O Brady
Proceedings of the National Academy of Sciences of the United States of America, 44(10), 993-998 (1958-10-15)
GC determination of acetone, acetaldehyde, ethanol, and methanol in biological matrices and cell culture.
Pontes, Helena, et al.
Journal of Chromatographic Science, 47.4, 272-278 (2009)
C S Lieber
Biochemical Society transactions, 16(3), 241-247 (1988-06-01)
Acetaldehyde, the toxic product of ethanol metabolism in the liver, covalently binds to a variety of proteins, thereby altering liver function and structure. Through its binding to tubulin, acetaldehyde decreases the polymerization of microtubules thereby impairing protein secretion and favouring
Bruce D. Craig, David S. Anderson
Handbook of Corrosion Data, 87-87 (1994)
Raghu Sivaramakrishnan et al.
The journal of physical chemistry. A, 119(28), 7724-7733 (2015-03-21)
The mechanism for the thermal decomposition of acetaldehyde has been revisited with an analysis of literature kinetics experiments using theoretical kinetics. The present modeling study was motivated by recent observations, with very sensitive diagnostics, of some unexpected products in high
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Articles

Aldol Condensation Reaction

The aldol condensation reaction is an organic reaction introduced by Charles Wurtz, who first prepared the β-hydroxy aldehyde from acetaldehdye in 1872.

羟醛缩合反应

羟醛缩合反应是由Charles Wurtz推出的有机反应，他于1872年首次从乙醛中制备了β-羟基醛。

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