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Key Documents

8.01446

Sigma-Aldrich

Diethyl ethoxymethylenemalonate

for synthesis

Synonym(s):

Diethyl ethoxymethylenemalonate, Ethoxymethylenemalonic acid diethyl ester

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About This Item

Linear Formula:
C2H5OCH=C(COOC2H5)2
CAS Number:
Molecular Weight:
216.23
MDL number:
UNSPSC Code:
12352108
EC Index Number:
201-725-7

vapor pressure

<0.1 hPa

Assay

≥98.0% (GC)

autoignition temp.

215 °C

potency

925 mg/kg LD50, oral (Rat)
>2000 mg/kg LD50, skin (Rat)

bp

280 °C/1013 hPa (decomposition)

mp

-33 °C

transition temp

flash point 144 °C

density

1.08 g/cm3 at 20 °C

storage temp.

2-30°C

InChI

1S/C10H16O5/c1-4-13-7-8(9(11)14-5-2)10(12)15-6-3/h7H,4-6H2,1-3H3

InChI key

LTMHNWPUDSTBKD-UHFFFAOYSA-N

Analysis Note

Assay (GC, area%): ≥ 98.0 % (a/a)
Density (d 20 °C/ 4 °C): 1.079 - 1.081
Identity (IR): passes test

Pictograms

Exclamation markEnvironment

Signal Word

Warning

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 2 - Eye Irrit. 2 - Skin Irrit. 2 - Skin Sens. 1A

Storage Class Code

10 - Combustible liquids

WGK

WGK 1

Flash Point(F)

291.2 °F - closed cup

Flash Point(C)

144 °C - closed cup


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