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Merck
CN

8.00004

Acetaldehyde

for synthesis

Synonym(s):

Acetaldehyde, Ethanal, Acetic Aldehyde, Ethyl Aldehyde

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About This Item

Empirical Formula (Hill Notation):
C2H4O
CAS Number:
75-07-0
Molecular Weight:
44.05
UNSPSC Code:
12352114
EC Index Number:
200-836-8
NACRES:
NA.22
MDL number:
MFCD00006991
Grade:
synthesis grade
Assay:
≥99% (GC)
Bp:
20.4 °C/1013 hPa
Vapor pressure:
1006 hPa ( 20 °C)

Key Documents

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Product Name

Acetaldehyde, for synthesis

SMILES string

O=CC

InChI

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

InChI key

IKHGUXGNUITLKF-UHFFFAOYSA-N

grade

synthesis grade

vapor pressure

1006 hPa ( 20 °C)

assay

≥99% (GC)

form

liquid

autoignition temp.

140 °C

expl. lim.

4-57 % (v/v)

dilution

(for synthesis)

pH

5 (20 °C, 10 g/L in H2O)

bp

20.4 °C/1013 hPa

mp

-123 °C

transition temp

flash point -20 °C

density

0.78 g/cm3 at 20 °C

storage temp.

2-8°C

Quality Level

200

Analysis Note

Assay (GC, area%): ≥ 99.0 % (a/a)
Density (d 5°C/ 4°C): 0.798 - 0.801

Application

Acetaldehyde is used as a raw material to synthesis acetal(1,1-dimetoxyethane) using Smopex 101 fibres catalyst.

General description

Acetaldehyde is an organic compound and one of the significant aldehydes. Acetaldehyde is employed to produce acetic anhydride, acetic acid, cellulose acetate, pyridine derivatives, pentaerythritol, peracetic acid, and terephthalic acid. Furthermore, it is used as a solvent.

signalword

Danger

Hazard Classifications

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

target_organs

Respiratory system

Storage Class

3 - Flammable liquids

wgk

WGK 3

flash_point_f

-38.0 °F - closed cup

flash_point_c

-38.89 °C - closed cup

Regulatory Information

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Acetaldehyde dimethylacetal synthesis with Smopex 101 fibres as catalyst/adsorbent
Gandi GK, et al.
Chemical Engineering Science, 62(4), 907-918 (2007)
Acetaldehyde
Hagemeyer, HJ
Kirk-Othmer Encyclopedia of Chemical Technology (2014)

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