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Properties: white crystal or crystalline powder. Has strong moisture absorption, easy soluble in water, ethanol. Product name: l - malic acid Chemical name: L - hydroxy succinic acid Molecular formula: C4H6O5 Molecular weight: 134.09 CAS NO. : 97-67-6 Quality indicators: FCCIV Content (in C4H6O5) > 99.0% Clarify the degree of clarification Than the rotation [alpha] 1.6 ° ~ 20 ° C - d - 2.6 ° Arsenic (As2O3) < 2.0 mg/kg Is easy to oxide qualified Heavy metal (Pb) < 20 mg/kg Ignition residue < 0.05% Chloride (Cl -) < 0.004% Sulfate/SO42 - < 0.03% Fumaric acid < 0.1% maleic acid < 0.05% Main functions and purposes: as a food citric acid, especially suitable for jellies and fruit based food, have keep natural juice color. Packing: 25 kg cardboard round barrel, lined with polyethylene bag, vacuum packing, 20 container can be loaded 13.5 tons. Storage: avoid light, dry, shady and cool place, sealed storage.