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
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