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D97703

Sigma-Aldrich

Diethyl maleate

97%

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Synonym(s):
Maleic acid diethyl ester
Linear Formula:
C2H5OCOCH=CHCOOC2H5
CAS Number:
141-05-9
Molecular Weight:
172.18
Beilstein:
1100825
EC Number:
205-451-9
MDL number:
MFCD00009191
PubChem Substance ID:
24894328
NACRES:
NA.22

vapor density

5.93 (vs air)

Quality Level

100

vapor pressure

1 mmHg ( 14 °C)

Assay

97%

form

liquid

autoignition temp.

662 °F

refractive index

n20/D 1.441 (lit.)

bp

225 °C (lit.)

mp

−10 °C (lit.)

density

1.064 g/mL at 25 °C (lit.)

SMILES string

CCOC(=O)\C=C/C(=O)OCC

InChI

1S/C8H12O4/c1-3-11-7(9)5-6-8(10)12-4-2/h5-6H,3-4H2,1-2H3/b6-5-

InChI key

IEPRKVQEAMIZSS-WAYWQWQTSA-N

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General description

Diethyl maleate is an ester derived from maleic anhydride, used as a building block in the synthesis of pyromellitic acid.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H317 - H319 - H412

Hazard Classifications

Aquatic Chronic 3 - Eye Irrit. 2 - Skin Sens. 1

Storage Class Code

10 - Combustible liquids

WGK

WGK 2

Flash Point(F)

200.1 °F - closed cup

Flash Point(C)

93.4 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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