L-Histidine Hydrochloride
Chemical Name：H-His-OH*HCl*H2O; H-His-OH.HCl.H_2O
Molecular Formula：C6H9N3O2.HCl.H2O
Molecular Weight：209.63
Cas No：[5934-29-2]
Characteristics：White crystals or crystalline powder.
Quality Standards：AJI97
Item | Specification (AJI97) |
Assay, % | 98.5~101.0 |
Specific optical rotation | -8.0°~ +9.5° |
Transmittance | ≥98.0 |
pH value | 3.5~4.5 |
Loss on drying, % | ≤0.2 |
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 NH+4), % | ≤0.02 |
Other amino acids | Qualified |
Pyrogen | Nonpyrogen |
Package and Transport：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：Store in dry, clear, shady and place. The expiry date is for two years.
Hebei Huaheng Biological Technology Co., Ltd
TEL：0318-8628255
FAX：0318-8628286
Email：info@jizhouhuaheng.com
Address：No.777 Xinghua South Street,Jizhou City,Hebei Pro.,China
