Product name:L(+)Choline Bitartrate
CAS NO.:87-67-2
Structural formula :[HOCH2CH2N(CH3)3]+[HOOCCHOHCHOHCOO-]
Molecular formula:C9H19NO7
Molecular weight:253.25
Executive standard: enterprise standard
physical property:·Colorless transparent or white phosphorous crystal powder , has the water absorbability. It tastes sour ,no odor or light odor of trimethylamine,soluble in water, slightly soluble in ethanol,Insoluble in Ether, Chloroform and Benzene
Quality index::
Items of Analysis | Specification |
Appearance | White hygroscopic crystalline powder |
Assay(calculated on the anhydrous basis)% | ≥ 98.0 |
Water % | ≤ 0.50 |
pH(1 in 10) | 3.0-4.0 |
Residue on ignition% | ≤ 0.1 |
Heavy metal (Pb)(mg/Kg) | ≤ 10 |
Arsenic (As)(mg/Kg) | ≤ 0.5 |
Total bacteria count CFU/g | ≤ 1000 |
Coliform group MPN/g | ≤3 |