L-Histidine hydrochloride
Product Description
Name : L-Histidine hydrochloride
Molecular Formula:C6H9N3O2.HCl
Molecular Weight:191.62
CAS Registry Number:1007-42-7
EINECS:13-754-2
Specification
Product name
L-Histidine Monohydrochloride
Item
Specification
Appearance
White crystals or crystalline powder
Specific Rotation [a]D20°
+8.9°to +9.5°
State of Solution
98.0% Min
Chloride (Cl)
16.66% to 17.08%
Ammonium (NH4)
0.02% Max
Sulfate (SO4)
0.020% Max
Iron (Fe)
10ppm Max
Heavy Metals (Pb)
10ppm Max
Arsenic (As2O3)
1ppm Max
Other Amino Acids
Conforms
Loss on Drying
0.20% Max
Residue on Ignition
0.10% Max
pH
3.5 to 4.5
Assay
99.0% to 101.0%
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