Fumaric Acid 99.5% min. White needle crystalloid with sour ... .05% max Colour APHA:15% max Fumaric Acid Product NameFumaric AcidCAS No.110-17-8Molecular Weight116.07MolecularC4H4O4Structural ... with sour odor.TypesTech gradeFood GradeContent99.5% min.99.5% min.Melting Point285285Colour APHA20 max.15 max ... of medicine, plasticizer, synthetic resin, L-malic acid, L-asparatic acid, etc. it can also be used in ...