molecular formula: c18h36n2o12
molecular weight: 472.49
structural formula:
spec.:
item |
details
|
identification |
ir or nuclear magnetic resonance
|
appearance |
white crystal or crystalline powder
|
specific rotation |
-9.5~-11.0(10% aqueous solution)
|
ph-value |
3.0~4.5(5% aqueous solution)
|
moisture |
≤0.5%
|
residue on ignition |
≤0.5%
|
solubility |
clear
|
heavy metal |
≤10ppm
|
arsenic |
≤2ppm
|
l-carnitine base |
67.2~69.2%
|
l(+)-tartaric acid |
30.8~32.8%
|
chloride |
≤0.4%
|
assay |
100±2%
|
packing: in cardboard drum, 25kgs/drum(net wt).