|Common name||sodium fumarate|
|Systematic name||sodium (E)-butenedioate|
Sodium fumarate, also called monosodium fumarate, is a compound with formula Na2C4H2O4. It is the sodium salt of fumaric acid, used as an acidity regulator in processed foods. It appears as an odourless, white, crystalline powder and is soluble in water.
It has E number "E365".