 |
|
|
 |
|
Hotline: 400-0510-518
Tel: +86-510-80245888
Fax: +86-510-80245999
Mobile: +86-13771475147
|
|
|
|
 |
|
.jpg) |
Product Name: L-Tryptophan |
Medicines: H20043185 |
Properties: white crystal or crystal powder; bitter taste, no smell |
Formula: |
C11H12N2O2
|
Weight: 204.23 |
Cas No: 73-22-3 |
|
|
|
Product Description: |
|
Packing: inner double layer plastic film, outer fiber can; 25kg/drum
Storage: 2 years
【Quality Standard】
|
Item
|
USP24
|
feed grade
|
Assay
|
98.5~101.5%
|
>98%
|
pH
|
5.5~7.0
|
5.0~7.0
|
Specific rotation[a]D020
|
-29.4~-32.8°
|
-29.4~-32.8°
|
Chloride(Cl)
|
≤0.05%
|
|
Sulfate(SO4)
|
≤0.03%
|
|
Iron(Fe)
|
≤30ppm
|
|
Heavy metals(Pb)
|
≤15ppm
|
|
Arsenic
|
≤2ppm
|
≤2ppm
|
Lead(Pb)
|
≤5ppm
|
≤5ppm
|
Loss on drying
|
≤0.3%
|
≤0.5%
|
Residue on ignition
|
≤0.1%
|
≤0.5%
|
Organic volatile impurities
|
Conforms
|
|
Main uses:
1.for human: nutrition supplement, antioxidant, for the cure of pellagra; tranquilizer;
2.for animal: promote animal ingestion, reduce stress reaction, improve animal sleep, save feed cost |
|
|
|
|
 |
|