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00071

Acetaldehyde

Name: Acetaldehyde
Brand: SIAL

≥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

Assay:

≥99.0% (GC)

Form:

liquid

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Properties

Product Name

Acetaldehyde, ReagentPlus^®, ≥99.0% (GC)

biological source

synthetic

Quality Level

200

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

SMILES string

CC=O

InChI

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

InChI key

IKHGUXGNUITLKF-UHFFFAOYSA-N

Description

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.

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.

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).

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

Legal Information

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

Disclaimer

forms easily paraldehyde

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pictograms

GHS02,GHS08,GHS07

signalword

Danger

hcodes

H224,H319,H335,H341,H350

pcodes

P202 - P210 - P233 - P305 + P351 + P338 - P308 + P313 - P403 + P233

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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Articles

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。

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.

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)

Bruce D. Craig, David S. Anderson

Handbook of Corrosion Data, 87-87 (1994)

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)

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Global Trade Item Number

SKU	GTIN
VT000716-1VL	04061842028900
VT000716-10EA	04061842028894
211478-25G	04061838771810
00071-500ML	04061837367717
00071-5ML	04061838601926
00071-100ML	04061837367687
00071-1L	04061837367694
00071-500ML-IN	04061837367724