Name:L-Histidine Monohydrochloride
Molecular formula: C6H9N3O2•HCL•H2O
Appearance: White crystal or crystalline
powder
| Item |
Index |
| Content
|
99.0%
~ 101.0% |
| Specific
rotatory power |
+8.9
~ +9.5º |
| Transmittance
|
≥98%
|
| Chloride |
16.66%
~ 17.08% |
| Ammonium
content (NH4) |
≤0.02%
|
| Sulfate(SO4) |
≤0.020%
|
| Iron(Fe)
|
≤10ppm
|
| Heavy
metal (Pb) |
≤10ppm
|
| Arsenic
content (As2O3)
|
≤1ppm
|
| Other
amino acid |
Color
layer can not be checked out. |
| Loss
on drying |
≤0.20%
|
| Residue
on ignition |
≤0.10%
|
| PH
value |
3.5
~ 4.5 |
Packed in cardboard drum with the lining
of two layers of plastic bags. NW:25 KG
per drum.
