|Product name: ||L-Tryptophan|
|Molecular Formula: ||C11H12N2O2 |
|CAS No.: ||73-22-3|
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.
L- Tryptophan is mainly used for amino acid infusion, comprehensive amino acid preparation, food nutrition enhancer.
|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|
|Loss on drying||≤0.5%|
|Residue on ignition||≤0.1%|
25kg/ drum or as per requirement.
Store in a cool dry place, protected from light.