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A902

Sigma-Aldrich

Acetaldehyde diethyl acetal

99%

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)

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
C19201454796A37200
form

liquid

form

liquid

form

-

form

liquid

refractive index

n20/D 1.379-1.383 (lit.)

refractive index

n20/D 1.416 (lit.)

refractive index

n20/D 1.478 (lit.)

refractive index

n20/D 1.417 (lit.)

bp

102 °C (lit.)

bp

157 °C (lit.)

bp

99-100 °C/0.6 mmHg (lit.)

bp

162-163 °C (lit.)

density

0.831 g/mL at 25 °C (lit.)

density

1.018 g/mL at 25 °C (lit.)

density

0.987 g/mL at 25 °C (lit.)

density

0.916 g/mL at 25 °C (lit.)

Quality Level

200

Quality Level

200

Quality Level

100

Quality Level

100

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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

FSL

Flammable liquids
Type 1 petroleums
Hazardous rank II
Water insoluble liquid

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names


Certificates of Analysis (COA)

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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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Protocols

GC Analysis of Fermentation Compounds on a Packed Column (6.6% Carbowax® 20M on 80/120 Carbopack™ B AW)

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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