L-Tryptophan 98.5% Feed Grade

L-Tryptophan 98.5% Feed Grade is used to supplement feeds in order to meet the digestible tryptophan requirement of animals. It is particularly suitable for young animals, because it helps to improve feed intake, growth rate and feed efficiency.
Appearance: White or yellowish crystal powder
CAS NO:73-22-3 Molecular Weight:204.23 Chemical formula:C11H12N2O2

Item
Specification
Assay(on dried basis)
98.5 - 101.5%
Loss on drying
0.20% max
Heavy metals
10 ppm max
Residue on ignition
0.10% max
Chloride
0.02% max
Sulfate
0.02% max
Iron
10ppm max
PH
5.5 - 6.4
Specific Rotation
-30.5°~ -32.5°

Characteristics: L-Tryptophan 98.5% Feed Grade is produced by fermentation from natural raw materials of agricultural origin (such as starch hydrolysates). This product is intended only for animals and should not be used in human products or human consumption.
Packing: 10kg kraft paper bags with PE bag inside.
Storage: Store in a cool, dry, ventilated area. At temperature below 25 degree and less than 65% RH.
Standard: Q/JYM 003-2007.