00071
乙醛
≥99.0% (GC), liquid, ReagentPlus®
别名:
乙醛
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关于此项目
线性分子式:
CH3CHO
化学文摘社编号:
分子量:
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
产品名称
乙醛, 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
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Application
乙醛可用于酶促合成脂肪酸。
生物医学应用里，关于生产具有细胞粘合性和排斥性的纤维状生物材料的研究中，乙醛可用于在等离子体聚合中将反应性醛基沉积到基质上。在采用气相色谱-火焰离子化检测法（GC-FID）测定全血、玻璃状液、尿液等不同人体基质中的丙酮、乙醛、乙醇和甲醇时，也可将其用作校准标准品。
Disclaimer
容易形成三聚乙醛
General description
乙醛是一种无色易燃的有机液体。它可以由乙炔水合和乙醇催化氧化产生。主要用于生产乙酸。
乙醛的热分解机理已有报道。它是肝脏中的乙醇代谢产物，可与各种蛋白质共价结合，从而改变肝脏的功能和结构。在水滑石型催化剂存在下的乙醛和庚醛的醇醛缩合已有所介绍。
Legal Information
ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany
signalword
Danger
hcodes
Hazard Classifications
Carc. 1B - Eye Irrit. 2 - Flam. Liq. 1 - Muta. 2 - STOT SE 3
target_organs
Respiratory system
存储类别
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
法规信息
危险化学品
此项目有
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)
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)
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
商品
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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