|
|
|
| DL-Histidine
Hcl |
|
|
|
|
|
| [Molecular
formula] |
C6H9N3O2·HCL·H2O |
| [Appearance] |
White
crystalline powder |
|
|
|
|
|
| Item |
AJI
92 |
FCC
IV |
| Assay |
99.0％~101.0％ |
|
| Transmittance |
≥98.0％ |
|
| Specific
Rotation |
+8.9°
~ +9.5° |
|
| Chloride
(Cl) |
16.66
~ 17.08％ |
|
| Ammonium (NH4) |
≤0.02％ |
|
| Sulfate(SO4) |
≤0.020％ |
|
| Iron(Fe) |
≤10ppm |
|
| Heavy
metals (Pb) |
≤10ppm |
|
| Arsenic(As2O3) |
≤1ppm |
|
| Other
amino acids |
chromatographically
not detectable |
|
| Loss
on drying |
≤0.20％ |
|
| Residue on
ignition |
≤0.10％ |
|
| PH
value |
3.5~4.5 |
|
|
