Product Name: L-Threonine (98.5%) Chemical name: L-2-amino-3-hydroxy- butyricacid butanoic acid Molecular Formula: C4H9NO3 Molecular Weight: 119.12 Physical and Chemical Properties: White or pale brown crystalline or crystal powder, taste slight sweet. Soluble in water but difficult in methanol, ether and chloroform. Functions and Efficacy:(1). Adjust the balance of amino acid in feed stuff to promote animal growth.(2). Improve the meat quality of poultry and livestock.(3). Helpful to save the source protein feedstuff and the breeding cost. Implementation Standard: GB/T 21979-2008 Testing Items Standard Main Content, % ≥ 98.5 Special Optical Rotation -26.0° -29.0° Drying Loss (%) ≤ 1.0 Reduce on Ignition (%) ≤ 0.5 Heavy Metal (as Pb)/ (mg/Kg) ≤ 20 As content (mg/Kg) ≤ 2 Packing: 25 Kg PE bags or according to the requirement of customers. Storage: Store in a dry and cool, well-ventilated place with package unopened.Shelf Life: 2 years.