 |
L-Histidine
| Chemical Name£º |
L-2-Amino-3-(4-imidazolyl)propionic acid |
| Structure Formula£º |
 |
| Molecular Formula£º |
C6H9N3O2
|
| Molecular Weight£º |
155.15 |
| Cas No£º |
[71-00-1] |
| Characteristics£º |
White crystalline powder |
| Quality Standards£º |
AJI97 |
| |
|
| Ammonium as (as NH4), % |
≤0.02 |
| Iron (as Fe), % |
≤0.001 |
| Heavy Metals (as Pb), % |
≤0.001 |
| Arsenic (as As), % |
≤0.0001 |
| PH Value |
7.0~8.0 |
| Residue on ignition, % |
≤0.1 |
| Other amino acid |
Not detd |
| Stored in dry, clean and ventilated places. In order to avoid pollution, it is prohibited to place this product together with poisonous or harmful substances. The expiry date is for two years. |
| Sulfate (as SO4), % |
≤0.02 |
| |
|
| The Characteristics and Uses£º |
|
| Package and Transport£º |
This product is contained in a double-layer package, the inner layer being a sealed nonpoisonous polyethylene bag or aluminium foil, and the outer layer being a paper board barrel. Each barrel contains a net weight of 25kg. Packages may be arranged in accordance with customer's requirements.
Handle with care. Protect the product from sunshine or rain. Do not transport them together with poisonous or harmful goods. This product belongs to the non-dangerous category and can be transported as a general chemical product. |
| Storage£º |
| Chloride (as Cl), % |
¡Ü0.02 |
| Item |
Specifications (AJI97 ) |
| Appearance |
White crystalline powder |
| Assay, % |
99.0~101.0<> |
| Specific rotation |
+12.0¡ã~+12.8¡ã |
| Loss on drying, % |
¡Ü0.2 |
| Transmittance, % |
¡Ý98.0 |
|
