Merck
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402788

Sigma-Aldrich

乙醛

ACS reagent, ≥99.5%

Synonym(s):
乙醛
Linear Formula:
CH3CHO
CAS Number:
Molecular Weight:
44.05
Beilstein:
505984
EC 号:
MDL编号:
eCl@ss:
39021102
PubChem化学物质编号:
NACRES:
NA.21

生物来源

synthetic

质量水平

等级

ACS reagent

蒸汽密度

1.52 (vs air)

蒸汽压

14.63 psi ( 20 °C)

测定

≥99.5%

形式

liquid

自燃温度

365 °F

expl. lim.

60 %

杂质

≤0.008 meq/g Titr. acid

蒸发残留物

≤0.005%

折射率

n20/D 1.332 (lit.)

bp

21 °C (lit.)

mp

−125 °C (lit.)

溶解性

alcohols: soluble
water: miscible

密度

0.785 g/mL at 25 °C (lit.)

储存温度

2-8°C

SMILES string

CC=O

InChI

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

InChI key

IKHGUXGNUITLKF-UHFFFAOYSA-N

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Acetaldehyde ACS reagent, ≥99.5%

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Supelco

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乙醛

assay

≥99.5%

assay

≥99% (GC)

assay

≥99% (GC)

assay

-

form

liquid

form

liquid

form

liquid

form

-

refractive index

n20/D 1.332 (lit.)

refractive index

n20/D 1.332 (lit.)

refractive index

n20/D 1.332 (lit.)

refractive index

n20/D 1.332 (lit.)

bp

21 °C (lit.)

bp

21 °C (lit.)

bp

21 °C (lit.)

bp

21 °C (lit.)

mp

−125 °C (lit.)

mp

−125 °C (lit.)

mp

−125 °C (lit.)

mp

−125 °C (lit.)

solubility

alcohols: soluble, water: miscible

solubility

-

solubility

-

solubility

-

一般描述

乙醛是一种重要的工业溶剂,用作合成多种化合物的中间体。氧化生成乙酸,还原生成乙醇。检测了Criegee中间体(CH2OO)与乙醛的相互作用。研究了其作为神经活性剂的作用。报道了不对称催化乙醛烷基化反应。

应用

乙醛可用于通过一锅法交叉双曼尼希反应合成1,3-二胺,而通过脯氨酸催化的曼尼希反应可合成β-氨基醛。

警示用语:

Danger

危险分类

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

靶器官

Respiratory system

储存分类代码

3 - Flammable liquids

WGK

WGK 3

闪点(F)

-38.0 °F - closed cup

闪点(C)

-38.89 °C - closed cup

个人防护装备

Eyeshields, Faceshields, Gloves

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

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