L-HISTIDINE HYDROCHLORIDE MONOHYDRATE 99% FOR BIOCHEMISTRY
L-a-Amino-ß-(4-imidazolyl)propionic acid monohydrochloride
Product Code | B-01361 | BRAND | Bio-Chem |
---|---|---|---|
Grade | For Biochemistry | CAS No | 5934-29-2 |
Molecular Formula | C6H10ClN3O2.H2O | Molecular Weight | 209.63 |
H.S.Code | 2933.29900 | Shelf Life | 60 Months |
Purity | 99 % |
Physical Properties
Physical state at 20 °C | Solid | Colour | White powder |
---|---|---|---|
Solubility in water [% weight] | 105 g/l at 20 °C - completely soluble | Melting point/ Freezing point [°C] | 254 °C |
pH value | 3 - 4 at 105 g/l at 25 °C |
Packaging
Specification
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% |
Safety Information and Hazard Symbols
Symbol: GHS07,GHS07
Signal Word: Warning