It can be used for injection, food additives, health care, cosmetics and sports nutrition, etc.

Grade	Pharma grade
MW	105.09
Relative density(water=1)	1.54
Melting point	239 °C
UN No.
CAS No.	56-45-1

Assay (as C3H7NO3, dried)	≥98.5%
Specific rotation [a]20D	+14.0°~+16.0°
Identity	passes test
Acidity	5.5-6.5
Solution transmittance	≥98.0%
Chloride	≤0.02%
Sulfate	≤0.02%
Ammonium	≤0.02%
Foreign amino acid	≤0.5%
Loss on drying	≤0. 2%
Ignition residue	≤0.1%
Iron	≤0.001%
Heavy metals	≤0.001%
Arsenic	≤0.0001%
Bacterial endotoxin, EU	12.5 (for injection)

L-Serine