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Merck
CN

01-0050

Acetaldehyde

SAJ first grade, ≥90.0%

Synonym(s):

Ethanal

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About This Item

Linear Formula:
CH3CHO
CAS Number:
Molecular Weight:
44.05
PubChem Substance ID:
UNSPSC Code:
12352200
Beilstein/REAXYS Number:
505984
MDL number:
eCl@ss:
39021102
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grade

SAJ first grade

vapor density

1.52 (vs air)

vapor pressure

14.63 psi ( 20 °C)

assay

≥90.0%

form

liquid

autoignition temp.

365 °F

expl. lim.

60 %

availability

available only in Japan

refractive index

n20/D 1.332 (lit.)

pH

5 (20 °C)

bp

21 °C (lit.)

mp

−125 °C (lit.)

density

0.785 g/mL at 25 °C (lit.)

SMILES string

CC=O

InChI

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

InChI key

IKHGUXGNUITLKF-UHFFFAOYSA-N



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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

-36.0 °F

flash_point_c

-37.8 °C



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