H-His-OH*HCl*H2O; H-His-OH.HCl.H_2O

Structure Formula:

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

 Characteristics        and Uses:

The nutritional supplements. The body synthetic a slow speed, shall prevail essential amino acids. Can be used to strengthen the infant foods, surgical patients after food. With chemical leavening agent manufacture bread, add l-histidine, leucine, arginine fragrance can be improved.

   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.