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Position: Home -> Products -> L Group Amino Acids L-Pyroglutamic Acid CAS:98-79-3 << BACK Item Limit Iron (Fe) 10ppm Max Heavy Metals (Pb) 10ppm Max Specific Rotation [a]D20o -10.8º~ -12.5º Arsenic (As2O3) 1ppm Max Loss on Drying 0.5% Max Residue in Ignition 0.1% Max Assay 98.5% to 101% Appearance White crystalline powder Transmittance 98.0%Min PH 1.8 to 2.5 Melting point 159 to 161.5¡æ

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