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LC2621 Diethyl fumarate
for synthesis


Order number Packaging Quantity Price €
AC29621 Glass bottle 100 ml 14.31
AC29621 Glass bottle 500 ml 40.50


Product information
Synonyms Diethyl trans-butenedioate, Fumaric acid diethyl ester
Hill Formula C8H12O4
Chemical formula C2H5OOCCH=CHCOOC2H5
HS Code 2917 19 90
EC number 210-819-7
Molar mass 172.18 g/mol
CAS number 623-91-6


Chemical and physical data
Solubility 3.1 g/l (25 °C)
Melting point 1 – 2 °C
Molar mass 172.18 g/mol
Density 1.05 g/cm3 (20 °C)
Boiling point 219 °C (1013 hPa)
Vapor pressure 2.6 hPa (25 °C)
Flash point 91 °C
Refractive index 1.4406 (20 °C, 589 nm)


Safety information according to GHS
Hazard Statement(s) H302: Harmful if swallowed.
Precautionary Statement(s) P262: Do not get in eyes, on skin, or on clothing.
Signal Word Warning
Hazard Pictogram(s)
Storage class 10 Combustible liquids not in Storage Class 3
WGK WGK 1 slightly water endangering
Disposal 3
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.


Safety information
R Phrase R 22
Harmful if swallowed.
S Phrase S 24/25
Avoid contact with skin and eyes.
Categories of danger harmful
Hazard Symbol Harmful


Toxicological data
LD 50 oral LD50 rat 1780 mg/kg


Assay (HPLC, area%) ≥ 97 %
Density (d 20 °C/ 4 °C) 1.051 – 1.053
Identity (IR) passes test