Description:It is a white crystalline powder. Quality Standard of D-Ribose Exterior White odorless crystalline powder Identification Visual, compares to type sample Positive by HPLC Loss on drying ≤0.5% Specific Rotation[&alpha] -20.8º~-19.0º Residue on Ignition ≤0.5% Heavy Metal (Pb) ≤10ppm Arsenic ≤2ppm Content 97~101% Package:Inside packing---edible polyethylene plastic film edible Out packing---Carton(&Phi36*H54.5 cm) Net weight:25kg;Gross weight:28kg. Usage:It is the material used in the synthesis of Vitamin B2 (Riboflavin), Tetra-O-Acetyl-Ribose and nucleoside etc, also used as health product in sports or used as food additives. Storage and Transportation:It must be stored in the warehouse of ventilation, dry and shady and cool, and cannot be mixed with poisonous. The temperature must be not higher than 30oC.Transportation is the same as storage