l-tryptophan cas 73-22-3

Description

L-tryptophan Quick Details
Chemical Name: L-tryptophan
CAS No.: 73-22-3
Molecular Formula: C11H12N2O2
L-tryptophanStructure:
Molecular weight:204.23
Appearance:White crystals or crystalline powder
L-tryptophan Typical Properties

Item
Standard

Appearance
White crystals or crystalline powder

Identification
Meets the requirements

Specific rotation[α]D25
-29.4°～-32.8°

pH
5.5～7.0

Loss on drying
≤0.3%

Residue on ignition
≤0.1%

Chloride(Cl)
≤0.05%

Sulfate（SO4）
≤0.03%

Iron(Fe)
≤0.003%

Heavy metals(Pb)
≤0.0015%

Assay
98.5%～101.5%

L-tryptophanUsage
The product can be used in nutritional fortified foods. Also used as a third feed amino acid.Also used in pregnant women nutritional supplements and milk special milk powder.
L-tryptophanPackaging and Shipping
Packing: 25kg/drum
L-tryptophanStorage
It should be placed in cool and dry.