Xylitol is used as a food additive and sugar substitute. European Union code number E967. Replacing sugar with xylitol in food products may promote better dental health, but evidence is lacking on whether xylitol itself prevents dental cavities. Specification Appearance: white or almost white, crystalline powder or crystals Solubility: easily dissolvable in water, slightly soluble in ethanol Assay: 98.5-101% Melting point: 92-96 degrees pH: 5-7 Water: = 0.5% Residue on ignition = 0.1% Heavy metals: = 5 mg/kg Arsenic: = 0.5 mg/kg Lead: 0.5 mg/kg Nickel: = 1 mg/kg Total plate count : = 100 CFU/g Yeast & Mold : = 100 CFU/g Coliform: < 3 MPN/g