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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Reference substances

Reference substances

IUPAC name:
diethyl (Z)-but-2-enedioate

Inventory

EC number:
205-451-9
EC name:
Diethyl maleate
CAS number:
141-05-9
CAS number:
141-05-9
Synonyms
Names:
2-Butenedioic acid (2Z)-, diethyl ester
2-Butenedioic acid (Z)-, diethyl ester
Identifier:
IUPAC name
diethyl but-2-enedioate
Identifier:
common name
DEM
diethyl (Z)-but-2-enedioate

Molecular and structural information

Molecular formula:
C8H12O4
Molecular weight:
172.178
SMILES notation:
CCOC(=O)\C=C/C(=O)OCC
InChl:
InChI=1/C8H12O4/c1-3-11-7(9)5-6-8(10)12-4-2/h5-6H,3-4H2,1-2H3
Structural formula:
Chemical structure

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