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] -20.8簙-19.0? 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 30^oC.Transportation is the same as storage