Description Trading Name: dl-malic acid Chemical Name: dl-hydroxysuccinic acid CAS#: 6915-15-7 Molecular Formula: C4H6O5 Molecular Weight: 134.09 Specifications Appearations: white or nearly whitecrystalline or granules Assay(C4H6O5): 99.0-100.5% Fumaric acid: 1.00%max Maleic acid: 0.05%maxLead: 2ppm max Arsenic: 2ppmmaxSulphated ash: 0.10% max Water insolubles: 0.10%maxSpecific rotation[α]20: -0.10+0.10° Thedata above is general description, does not as a contract or order constraint.