[Product name] L-carnitine tartrate [Formula]: C18H36N2O12 [Chemical Name]: (R) - bis [(3-carboxy-2-hydroxypropyl) trimethyl ammonium group] -L- tartrate [Physical and chemical properties: L-carnitine tartrate is the stable form of L-carnitine, it is not easy to absorb moisture in humid conditions remain stable. White crystalline powder with a pleasant acidic odor. It is soluble in water, but easily soluble in organic solvents. Items Specification Infrared or MRI to identify the appearance of white crystal or crystalline powder Specific rotation -11.0 ° ~ -9.5 ° pH 3.0-4.5 Water ≤0.5% Residue on ignition ≤0.5% Heavy Metal L-carnitine ≤10ppm arsenic ≤2ppm 68.2 ± 1.0% 31.8 ± 1.0% tartaric acid content of ≥98.0% [Application]: L-carnitine tartrate in the form of L-carnitine is an ideal application for solid preparation, especially for tablets, capsules. [Packing]: 10kg / 25kg barrel