| Product name: | L-Tryptophan |
| Molecular Formula: | C11H12N2O2 |
| Molecular Structure: |  |
| Molecular Weight: | 204.22 |
| CAS No.: | 73-22-3 |
Description
L-Tryptophan occurs as white to yellow-white crystals or crystalline powder. One gram dissolves in about 100 mL of water. It is soluble in hot alcohol, in dilute hydrochloric acid, and in alkali hydroxide solutions.
Applications
L- Tryptophan is mainly used for amino acid infusion, comprehensive amino acid preparation, food nutrition enhancer.
Specification
| Appearance | White or almost white, crystalline or amorphous powder |
| Appearance of solution | Clear and not more intensely coloured than reference solution BY6 |
| Specific optical rotation | -30.0°- -33.0° |
| Ninhydrin-positive substances | Any impurity ≤0.5% |
| Other related substances | 1,1′-ethylidenebistryptophan≤10ppm |
| Chloride | ≤0.02% |
| Sulfate | ≤0.03% |
| Ammonium | ≤0.02% |
| Iron | ≤10ppm |
| Heavy metals | ≤10ppm |
| Lead | ≤5ppm |
| Loss on drying | ≤0.5% |
| Residue on ignition | ≤0.1% |
| Assay | 98.5-101.0% |
Packing
25kg/ drum or as per requirement.
Storage
Store in a cool dry place, protected from light.
Minimum Order
100kgs
Hot Tags: l-tryptophan cas 73-22-3, China, manufacturers, suppliers, factory, API, ingredients, low price, in stock, for food, medical, cleaning
