D-Tartaric acid CAS NO.147-71-7

Test Item First Grade Assay ≥99.0 % Optical purity (ee value) ≥99.0 % Description White crystals or white powder Specifi…

Test Item First Grade Assay ≥99.0 % Optical purity (ee value) ≥99.0 % Description White crystals or white powder Specific Rotation(20℃) -12.0 ～ -12.80 Residue on Ignition ≤0.1% Oxalate ≤0.035% Sulphate(SO4) ≤0.05% Heavy Metals(Pb) ≤0.001% Loss on Drying ≤0.5% Melting Point 164-170°C