L-Histidine Monohydrochloride
| Chemical Name£º |
H-His-OH*HCl*H2O; H-His-OH.HCl.H_2O |
| Structure Formula£º |
 |
| Molecular Formula£º |
C6H9N3O2.HCl.H2O |
| Molecular Weight£º |
209.63 |
| Cas No£º |
[5934-29-2] |
| Characteristics£º |
White crystals or crystalline powder. |
| Quality Standards£º |
AJI97 |
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|
| Item |
Specification (AJI97) |
| Assay, % |
98.5~101.0 |
| Specific rotation |
-8.0¡ã~+9.5¡ã |
| Transmittance, % |
¡Ý98.0 |
| PH Value |
3.0~4.5 |
| Loss on drying, % |
¡Ü0.2 |
| Heavy Metals, % |
≤0.001 |
| Residue on ignition, % |
≤0.1 |
| |
|
| Chloride, % |
15.6~17.1 |
| Sulfate, % |
≤0.02 |
| Arsenic, % |
≤0.0001 |
| Iron, % |
≤0.001 |
| Ammonium as (as NH4), % |
≤0.02 |
| Other amino acids |
Qualified |
| Pyrogen |
Nonpyrogen |
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|
| The Characteristics and Uses£º |
|
| Package and Transport£º |
The inner packed with two layer polyethylene plastic bags; the outer packed with the paper board barrel. Net weight 25kg.
Handle with care. Protect the product from sunshine or rain. Do not transport with poisonous or harmful goods. This product belongs to the non-dangerous product category and can be transported as a general chemical product. |
| Storage£º |
Store in dry, clear, shady and place. The expiry date is for two years. |
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