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Schunk, S

L--hydroxy--trimethylaminobutyric acid(R)-3-Carboxy-2-hydroxy-N,N,N-trimethylpropan-1-aminium inner salt Density 0.64 g/cm4 Chemical Formula C7H15NO3 Appearance White crystalline or crystalline powder with a slight fishy odor4 Molecular Weight 161.20 Application Widely used as a food additive in infant formula, weight-loss foods, sports foods, nutritional supplements for the elderly, nutritional fortifiers for vegetarians, and animal feed additives4 CAS Registry Number 541-15-1 Safety Description S26, S36, S37/394 EINECS Number 208-768-0 Hazard Symbol(s) Xi4 Melting Point 197 to 212 C Hazard Statement(s) R36/37/384 Boiling Point 287.5 C Research History Research on L-carnitine began in the early 20th century

Although modern production methods can yield purer L-C, this analytical limitation precludes the establishment of more stringent limits

Purification Methods Recrystallise the chloride from isopropanol