Description
Product Name: Raw Material L-Tryptophan Feed Grade
L-Tryptophan (feed grade) is considered as the third largest amino acid added into feed following L-Methionine and L-Lysine.Moreover,it would cause diabetes and neurological disorders if the metabolism of L-Tryptophan were disturbed.Therefore,L-Tryptophan is also used into amino acid injection and compound amino acid injection and compound amino acid injection in medicine.
1.Large Stock Low Price Feed Grade L-Tryptophan 98%
2.Synonyms:L Tryptophan, Tryptophan, L-Tryptophan feed grade
3.CAS No.: 73-22-3.
4.Chemical Name: 2-Amino-3-indolepropionic acid
5.Chemical Formula: C11H12N2O2
6.Shelf life:2 years
Product Specification Of L-Tryptophan 98% Feed Grade
| Items | Standards | ||
| Appearance | White crystals or crystalline powder | ||
| Assay | 98% Min | ||
| Specific Rotation | -29.0°~-32.3° | ||
| Loss on Drying | 0.5% Max | ||
| Heavy Metals | 20mg/kg Max | ||
| Arsenic(As2O3) | 2mg/kg Max | ||
| Residue on ignition | 0.5% Max |
Product Specification Of L-Tryptophan 98.5%
| Items | Standards | ||
| Appearance | White crystals or crystalline powder | ||
| Assay(%) | 98.5-100.5 | ||
| Specific Rotation(°) | -30.5 ~ -32.5 | ||
| Loss on drying(%) | 0.3 Max | ||
| pH | 5.4 – 7.0 | ||
| Chloride(%) | 0.05 Max | ||
| Iron(%) | 0.003 Max | ||
| Sulfate(%) | 0.03 Max | ||
| Residue on ignition(%) | 0.1 Max | ||
| Heavy Metals(ppm) | 15.0 Max |
There are no reviews yet.