L-Threonine

Quantity Order:

Origin:

China

Specification:
1) Assay (on dry basis): 98.5% MIN
2) Specific Rotation: D:-26.0 -29.0
3) Residue on Ignition: 0.3% MAX
4) Ammonium (NH4+): 0.04% MAX
5) Heavy Metals (as Pb): 20 ppm MAX
6) Arsenic: 2 ppm MAX
White orthorhombic or crystalline powder. Odorless, slightly-sweet taste. It melts and decomposes at 253. It decomposes with dilute alkali at high temperature. It decmposes gradually with acid. Soluble in water, insoluble in ethanol, ether or chloroform. Isoelectric point is PH 6.16
Shelf life: 2 years
Inner packing: Plastic liner
Outer packing: 25kg/multiple paper ba

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