L-Carnitine
Base
Product Name: L-Carnitine Base
Molecular Formula: C7H15NO3
Molecular Weight: 161.20
Structural Formula: 
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). |
