L-Tryptophan CAS 73-22-3

L-Tryptophan CAS 73-22-3

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Product Details

 

Product name: 
L-Tryptophan
Molecular Formula: 
C11H12N2O2 
Molecular Structure:
mtxx375
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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