L-Serine

About L-Serine

Name:L-Serine
Synonyms:L-2-Amino-3-hydroxypropionic acid; 3-Hydroxy-alanine; Ser
Molecular Formula:C3H7NO3
Molecular Weight:105.09
CAS Registry Number:56-45-1
EINECS:200-274-3
 t is easy to be dissolved in water and hardly to be dissolved in ethanol, acetone and ethyl ether .
Uses: 1.Pharmaceutical materials
2.Food: sports beverage, diet beverage;
3.feed
Specification:
Test Items
 Standard
 
Assay , %
 98.5101.0
 
Specific rotation []D20
 +14.4o-+15.5o
 
Light transmittance, ,
 98.0
 
Chloride(Cl), %,
 0.020
 
Ammonium salt (NH4), ,
 0.02
 
Sulfate(SO4), ,
 0.020
 
Fe,
 10ppm
 
Heavy metals(Pb),
 10ppm
 
Arsenic (As2O3),
 1ppm
 
Loss on drying , ,
 0.20
 
Residue on ignition , ,
 0.10
 
Other amino acids
 no other spots
 

Packing: 25KG fibre drum
Storage:be stored in cool and dry place