|
L-TRYPTOPHAN
CAS No.:73-22-3
Description: White crystals or crystalline powder
| Item |
Specifications
|
|
USP24
|
FCCIV
|
| Appearance |
White crystals or crystalline powder
|
| Assay,%(on dry matter) |
98.5~101.5
|
98.5~101.5
|
| Specific optical rotation |
-29.4º ~ -32.8º
|
-30.0º ~ -33.0º
|
| pH Value |
5.5~7.0
|
- - -
|
| Loss on drying, % |
≤0.3
|
≤0.3
|
| Heavy Metals (as Pb), % |
≤0.0015
|
≤0.002
|
| Residue on ignition, % |
≤0.1
|
≤0.1
|
| Chloride (as Cl),% |
≤0.05
|
- - -
|
| Sulfate (as SO4), % |
≤0.03
|
- - -
|
| Arsenic (as As), % |
≤0.00015
|
≤0.00015
|
| Iron, % |
≤0.003
|
- - -
|
Uses: MEDICINE AND FOOD INDUSRIES
Packing: 25kg /fiber drum
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