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L-Lysine hydrochloride L-lysine HCl 657-27-2
Name |
L-Lysine hydrochloride |
Synonyms |
L-Lysine monohydrochloride; L(+)-LYS hydrochloride; L(+)-2,6-Diaminocaproic acid hydrochloride; L(+)-2,6-Diaminohexanoic acid hydrochloride |
Molecular Formula |
C6H14N2O2.HCl;C6H15ClN2O2 |
Molecular Weight |
182.65 |
CAS Registry Number |
657-27-2 |
EINECS |
211-519-9 |
Melting point |
263-264 ºC |
alpha |
21 º (c=8, 6N HCl) |
Water solubility |
65 g/100 mL (20 ºC) |
Item |
Specifications |
Results |
Specific optical rotation |
+20.4o ~ +21.4o |
+20.7o |
Assay ,% min |
98.5 ~ 101.5 |
99.4 |
Loss on drying,% max |
0.4 |
0.37 |
Heavy metals ,%(as Pb) max |
0.0015 |
<0.0015 |
Residue on ignition,% max |
0.1 |
0.05 |
Chloride ,%(as Cl) max |
19.0 ~ 19.6 |
19.34 |
Sulfate(SO4),%(as SO4) max |
0.03 |
<0.03 |
Iron(as Fe),% max |
0.003 |
<0.003 |
Organic volatile impurities |
Meet the requirement |
Meet the requirement |
Conclusion |
The results conforms with USP34 standards |
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