1.Purity>99% 2.Certifications:USP, HACCP, HALAL, KOSHER, ISO14001, ISO22000, 3.Complying ... (a) 20/D (C=1, H2O) +7.7 to +8.5 DegreeSolubility (1.0g/20ml H2O) Clear colorlessChloride (Cl) NMT 0 ... .02%Loss on drying NMT 0.5%Residue on ignition NMT 0.2% PH 5.0 to 6.0Melting point 202 ... of circulating water, with innovative product ecological safety control system. 99.5% L-Theanine