L-Carnitine Base
Structural formula:
Product Name: L-Carnitine Base
Molecular Formula: C7H15NO3
Molecular Weight: 161.20
CAS#: 541-15-1
Properties: white crystal or crystalline powder with slight special odor; high hygroscopicity. Easily soluble in water, ethanol and alkaloid solution; almost insoluble in acetone or ethyl acetate.
Quality Standard:
Item | USP | EP | GB |
Identification | chemial or IR method | chemial or IR method | chemial or IR method |
Specific rotation | -29.0° - -32.0° | -29.0° - -32.0° | -29.0° - -32.0° |
pH-value | 5.5-9.5 | 6.5-8.5 | 5.5-9.5 |
Moisture | ≤4.0% | ≤1.0% | ≤4.0% |
Residue on ignition | ≤0.5% | ≤0.1% | ≤0.5% |
Cyanide | - | - | should not be found |
Chloride | ≤0.4% | ≤200ppm | ≤0.4% |
Sulphate | - | ≤300ppm | - |
Sodium | ≤0.1% | - | ≤0.1% |
Potassium | ≤0.2% | - | ≤0.2% |
Heavy metal | ≤20ppm | ≤10ppm | ≤20 ppm |
Arsenic | ≤2ppm | - | ≤2 ppm |
Solution clarity | - | colorless transparent | - |
Related substances | - | impurity A≤0.5% | - |
other impurity ≤0.1% | |||
Residual acetone | - | - | ≤0.1% |
Assay | 100±3% | 100±2% | 100±3% |
Use: It can be used for drugs and health products, sports beverage, infant food and animal feed.
Packing: In cardboard drum, 25kgs/drum(net wt).