Chemical Name: DL-hydroxysuccinic acid CAS: 617-48-1 Molecular Formula: C4H6O5 Molecular Weight: 134.09 Appearations: white crystal or crystal powder Assay(C4H6O5): 99.0-100.5% Fumaric acid: ≤1.00% Maleic acid: ≤0.05% Heavy metal: ≤10ppm Arsenic: ≤2ppm Sulphated ash: ≤0.10% Water insolubles: ≤0.10% Chloride: ≤100ppm Specific rotation[α]20: -0.10+0.10° Melting point: 127-132oC The data above is general description, does not as a contract or order constraint.
