Home > Pallav Chemicals > Amino Acids & Derivatives > L-Histidine Hydrochloride Monohydrate 99% For Biochemistry
L-Histidine Hydrochloride Monohydrate 99% For Biochemistry
L-a-Amino-ß-(4-imidazolyl)propionic acid monohydrochloride
Product Code. |
01361 |
Grade |
|
Purity |
99% |
CAS No. |
5934-29-2 |
Molecular Formula |
C6H10ClN3O2.H2O |
Molecular Weight |
209.63 |
H.S.Code |
2933.29900 |
Shelf Life |
60 Months |
Physical state at 20 °C |
Solid |
Colour |
White crystalline |
pH value |
3 - 4 at 105 g/l at 25 °C |
Melting point/ Freezing point [°C] |
254 °C |
Solubility in water [% weight] |
105 g/l at 20 °C - completely soluble |
Appearance | White crystalline powder |
Assay (argentometric; on anhydrous basis) | Min 99% |
Specific optical rotation ([?]20/D) | +8.5 to +9.5 deg |
Heavy metal (as Pb) | Max 0.001% |
Ammonium (NH4) | Max 0.01% |
Foreign amino acids | Max 0.3% |
Other ninhydrin positive substances (as glycine) | Max 0.1% |