L-Tryptophan Food Grade

CAS number: 73-22-3

Molecular formula: C11H12N2O2

molecular weight: 204.2252

Chemical structure:

Product NameL-tryptophan
Shelf Life
2 years
Item
SpecificationsResults
AppearanceWhite crystals or crystalline powder
Conforms
Specific rotation-29.4°~ -32.8°-31.6°
PH5.5-7.05.9
Loss on drying0.30.07
Residue on ignition0.100.06
Chloride (Cl)0.050.05
Sulfate(SO4)0.030.03
Irom(Fe)0.0030.003
Heavy metals (Pb)0.00150.0015
Organic volatile impuritiesMeets the requirementsMeets the requirements
Assay98.5~101.5
Conclusion: This product conforms to requirements of USP24grade standard.