L-Pyroglutamic acid (PCA)
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L-Pyroglutamic acid (PCA)CAS-No.: 98-79-3INCI: PCA Product Characteristics: Appearance White crystalline powder Specific rotation (a) D20 -11.0°-12.0° Transmittance Not less than 98.0% Melting Point () 159-162 Chloride (Cl) ≤0.02% Ammonium (NH4) ≤0.02 Sulfate (SO4) ≤0.02 Heavy metals (Pb) ≤10ppm Iron (Fe) ≤10ppm Arsenic (As2O3) ≤1 ppm Loss on drying ≤0.50% Residue on ignition ≤0.2% Assay ≥99.0%
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