|
L-TYROSINE
CAS No.:60-18-4
Description: White crystals or crystalline powder
| Item |
Specifications
|
|
USP24
|
AJI97
|
| Appearance |
White crystals or crystalline powder; tasteless
|
| Assay,% |
98.5~101.5
|
99.0~101.0
|
| Specific optical rotation |
-9.8°~ -11.2°
|
-11.3°~ -12.1°
|
| Transmittance, % |
- - -
|
≥98.0
|
| Heavy Metals (as Pb), % |
≤0.001
|
≤0.001
|
| pH value |
- - -
|
5.0~6.5
|
| Loss on drying, % |
≤0.3
|
≤0.2
|
| Residue on ignition, % |
≤0.4
|
≤0.1
|
| Chloride (as Cl),% |
≤0.04
|
≤0.02
|
| Ammonium (as NH4),% |
- - -
|
≤0.02
|
| Sulfate (as SO4), % |
≤0.04
|
≤0.02
|
| Iron, % |
≤0.003
|
≤0.001
|
| Arsenic (as As), % |
≤0.0001
|
≤0.0001
|
| Other amino acids |
- - -
|
Not detd.
|
| Organic volatile impurities |
Meets the requirement
|
- - -
|
Uses: MEDICINE AND FOOD INDUSRIES
Packing: 25kg /fiber drum
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