00071
Acetaldehído
≥99.0% (GC), liquid, ReagentPlus®
Sinónimos:
Etanal
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Acerca de este artículo
Fórmula lineal:
CH3CHO
Número CAS:
Peso molecular:
44.05
NACRES:
NA.21
PubChem Substance ID:
eCl@ss:
39021102
UNSPSC Code:
12352114
EC Number:
200-836-8
MDL number:
Beilstein/REAXYS Number:
505984
Assay:
≥99.0% (GC)
Form:
liquid
Servicio técnico
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Permítanos ayudarleNombre del producto
Acetaldehído, ReagentPlus®, ≥99.0% (GC)
biological source
synthetic
Quality Level
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
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
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).
Legal Information
ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany
Disclaimer
forms easily paraldehyde
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signalword
Danger
hcodes
Hazard Classifications
Carc. 1B - Eye Irrit. 2 - Flam. Liq. 1 - Muta. 2 - STOT SE 3
target_organs
Respiratory system
Clase de almacenamiento
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
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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)
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
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)