... and antiseptic function. It can be used as acidulant, acidity regulator, acidifier, thTrans-Butenedioic Acid(Fumaric Acid)Specification: ... and antiseptic function. It can be used as acidulant, acidity regulator, acidifier.Properties:White odorless powder or, with ... and antiseptic function. It can be used as acidulant, acidity regulator, acidifier, thermal-oxidative resist auxiliary, curing accelerant ...