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A902

Sigma-Aldrich

Acetaldehyde diethyl acetal

99%

Synonym(s):

1,1-Diethoxyethane, Acetal

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About This Item

Linear Formula:
CH3CH(OC2H5)2
CAS Number:
Molecular Weight:
118.17
Beilstein:
1098310
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22
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vapor density

4.1 (vs air)

Quality Level

vapor pressure

20 mmHg ( 20 °C)
8 mmHg ( 8 °C)

Assay

99%

form

liquid

autoignition temp.

446 °F

expl. lim.

10.4 %

refractive index

n20/D 1.379-1.383 (lit.)

bp

102 °C (lit.)

density

0.831 g/mL at 25 °C (lit.)

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1 of 4

This Item
5741057400129453
assay

99%

assay

≥97.0% (T)

assay

≥99.0% (T)

assay

98%

solubility

ethanol: soluble 50 mg/mL, clear, yellow to orange

solubility

-

solubility

-

solubility

-

Quality Level

200

Quality Level

100

Quality Level

200

Quality Level

100

form

powder

form

solid

form

solid

form

solid

mp

134-135 °C (lit.)

mp

-

mp

~133 °C

mp

33-36 °C (lit.)

product line

ReagentPlus®

product line

-

product line

-

product line

-

Application

Acetaldehyde diethyl acetal can react with diketene to form ethyl 5-ethoxy-3-oxohexanoate in the presence of titanium chloride.[1] It can also be used to synthesize mixed acetal glycosides via transacetalation.[2]

Pictograms

FlameExclamation mark

Signal Word

Danger

Hazard Statements

Hazard Classifications

Eye Irrit. 2 - Flam. Liq. 2 - Skin Irrit. 2

Storage Class Code

3 - Flammable liquids

WGK

WGK 2

Flash Point(F)

<68.0 °F - closed cup

Flash Point(C)

< 20 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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