Place of Origin : Qingdao,China
Post Date : 24-05-2011
Expiry Date : 24-06-2012

Product Name : L-Threonine 98.5%
Chemical Formular: C4H9NO3
Molecular Weight: 119.12
CAS No.: 72-19-5
H.S Code : 29224910.90
Specifications:
Appearance:White Rhombic System Crystal Or Crystalline Powder. Smell-less, Slight Sweet Taste.
Content (dry Basis): ≥98.5%
Specific Rotation: -26.0~-29.0
Loss On Drying: ≤1.0%
Residue On Ignition: ≤0.5%
Heavy Metals (as Pb): ≤2.0mg/kg
Arsenic: ≤20mg/kg
Standard: GB/T21979-2008
Storage And Stability
Store In The Original Packaging In Dry Area Protected From Direct Sunlight, At The Temperature Not Higher Than 25°C. Shelf Life Is 2 Years From Date Of Manufacture.
Packing: Packed In 25kg P.P Bag .