Name:

L-Histidine Base

CAS No.:

71-00-1

Chemical Formula:

C₆H₉N₃O₂

Specification:

Kyowa 8th

Packing:

In 25kg drums

Functional use:

Nutritional Enhancer

Appearance:

White crystals

Identification:

Conforms

Assay:

99.0 - 101.0%

State of solution(Transmittance):

98.0% min

Specific rotation [α]D20:

+12.0⁰ --- +12.8 ⁰

Loss on drying:

0.20% max

Residue on ignition:

0.10% max

Chloride(Cl):

0.02% max

Sulfate(SO4):

0.020% max

Ammonium(NH4):

0.020% max

Iron(Fe):

10 mg/kg max

Heavy metals(as Pb):

10 mg/kg max

Arsenic(As2O3):

1 mg/kg max

Foreign amino acids:

0.5% max

PH:

3.5- 4.5