Features Specifications:D-XYLOSE  Appearance: White fine crystals powderTotal sugar content: 99-101%Xylose Assay (Dry basis): 98.5% minHeavy metal (as Pb): 5.0 ppm maxLoss on drying: 0.50% maxAsh: 0.05% maxArsenic (as As): 1.0 ppm maxSpecific rotation: +18.5 - +19.5Melting point: 147C minChloride: 10 ppm maxPentrate light: 90% minAcidity: 0.20 ml max