Amino Acids & Healthcare
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    Product Name or CAS NO.
     
 
 
Amino Acids & Healthcare
 

L-Histidine
Synonyms (s)-1h-imidazole-4-alanin;(s)-1h-imidazole-4-propanoicaci
CAS No. 71-00-1
Structure
Specification Specific Rotation[A]D20°            +12.0°~+12.8° 
State Of Solution,            Clorless And Clear 
(Transmittance),%            98 Min. 
Chloride(Cl),%            0.02 Max. 
Ammonium(Nh4),%            0.02 Max. 
Sulfate(So4),%            0.02 Max. 
Heavy Metals(Pb),Ppm            10 Max. 
Arsenic(As2o3),Ppm            1 Max. 
Other Amino Acide            Chromatographically Not Detectable 
Loss On Drying,%            0.20 Max. 
Residue On Ignition(Sulfate),%            0.10 Max. 
Assay,%            98.5~100.5 
Ph            7.0~8.5 
Iron(Fe),Ppm            10 Max. 
Application Used as healthcare and pharmaceutical intermediates.
Remaks


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