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Brand:aa
Product detail:
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% |
