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A902

Sigma-Aldrich

Acetaldehyde diethyl acetal

99%

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Synonym(s):
1,1-Diethoxyethane, Acetal
Linear Formula:
CH3CH(OC2H5)2
CAS Number:
Molecular Weight:
118.17
Beilstein:
1098310
EC Number:
MDL number:
PubChem Substance ID:

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.)

SMILES string

CCOC(C)OCC

InChI

1S/C6H14O2/c1-4-7-6(3)8-5-2/h6H,4-5H2,1-3H3

InChI key

DHKHKXVYLBGOIT-UHFFFAOYSA-N

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1 of 4

This Item
W2002048.0136655795
vibrant-m

A902

Acetaldehyde diethyl acetal

vibrant-m

W200204

Acetal

vibrant-m

8.01366

Acetaldehyde diethyl acetal

vibrant-m

55795

Acetaldehyde diethyl acetal

Quality Level

200

Quality Level

400

Quality Level

200

Quality Level

100

density

0.831 g/mL at 25 °C (lit.)

density

0.831 g/mL at 25 °C (lit.)

density

0.83 g/cm3 at 20 °C

density

0.831 g/mL at 25 °C (lit.)

refractive index

n20/D 1.379-1.383 (lit.)

refractive index

n20/D 1.379-1.383 (lit.)

refractive index

-

refractive index

n20/D 1.379-1.383 (lit.)

form

liquid

form

-

form

liquid

form

-

bp

102 °C (lit.)

bp

102 °C (lit.)

bp

102 °C/1013 hPa

bp

102 °C (lit.)

Application

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

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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A convenient method for the synthesis of δ-alkoxy-β-ketoester the titanium tetrachloride-activated reaction of diketene with acetal.
Izawa T and Mukaiyama T
Chemistry Letters (Jpn), 3(10), 1189-1192 (1974)
Glycosides for testing glycosidases: Vinyl, l-ethoxyethyl, and l-ethoxybut-3-enyl d-glucopyranosides.
Dettinger H M, et al.
Carbohydrate Research, 87(1), 63-70 (1980)
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Well-established biofilms formed by Streptococcus mutans via exopolysaccharide matrix synthesis are firmly attached to tooth surfaces. Enhanced understanding of the physical properties of mature biofilms may lead to improved approaches to detaching or disassembling these highly organized and adhesive structures.
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Protocols

Separation of Acetone; Acetic acid; Propionic acid; Ethyl butyrate; Ethanol; Isoamyl acetate; Isobutyric acid; 3-Methyl-2-butanol; Methyl acetate; 1-Propanol; Acetal, ≥98%, FG; 2-Methyl-1-pentanol; Butyl acetate; Ethyl propionate; 3-Pentanol; 2-Pentanol, 98%; Ethyl isobutyrate; Isobutyl acetate; Acetaldehyde; Furfural; Butyric acid; Methanol; Ethyl acetate

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