CAS number: 72-19-5
Molecular formula: C4H9NO3
molecular weight: 119.1192
Chemical structure:
PRODUCT | L-TRYPTOPHAN (FEED GRADE) | ||
SHELF LIFE | 2 YEARS | ||
ANALYSIS ITEM | STANDARD | RESULTS | CONCLUSION |
APPEARANCE | WHITE OR SLIGHTLY YELLOW CRYSTALLINE POWDER WITH SLIGHT ODOR | WHITE OR SLIGHTLY YELLOW CRYSTALLINE POWDER WITH SLIGHT ODOR | QUALIFIED |
ASSAY(TEST BY TITRATION, ON DRY MATERIAL) | ≥98.0% | 98.4% | QUALIFIED |
LOSS ON DRYING | ≤0.5% | 0.30% | QUALIFIED |
CRUDE ASH | ≤0.5% | 0.27% | QUALIFIED |
ROTATION | -29.0~32.8 | -30.5% | QUALIFIED |
PH | 5.0~7.0 | 5.78 | QUALIFIED |
CONCLUSION | CONFORM WITH GM/T25735-2010 |