L-Tyrosine

Basic Information

Product Name

L-Tyrosine

Molecular Formula

C9H11NO3

CAS.NO

60-18-4

Detailed Specification(USP Standard)

Assay

98.5~101.5%

Description

White crystals or crystalline powder

Identification

Concordant with the reference spectrum

Specific Rotation

-9.8ºC~-11.2ºC

Chloride(Cl)

≤0.04%

Sulfate(SO4)

≤0.04%

Heavy metals(Pb)

≤15ppm

Iron(Fe)

≤30ppm

Loss on drying

≤0.3%

Residue on ignition

≤0.4%

Chromatographic purity

Individual impurity ≤0.5%

Total impurities ≤2.0%

Packing

 Small quantity: 1kg/Aluminum foil bag 

 Bulk quantity: 25kg/drum. Inner two plastic-bags .Or as customer's requirement .

 Storage

 Store in a cool, dry area and not in direct sunlight.

 Shelf life

 2 years when properly stored