... solution is clear and character is stable. water soluble chitosan Water-Soluble Chitosan is off-white or yellowish, transparent and amorphous semitransparent ... ,textile and dyeing, and paper assistant preparation etc. Water Soluble Chitosan ItemsSpecificationsMethodsOriginAlaska Crab ShellVisualAppearanceOff-white and little yellow powderVisualAppearcance of solutionColorless ...