1,Grade:Food grade 2,CAS no: 9004-61-9 3,Appearance: White powder Hyaluronic acid (HA) is a straight chain macromolecular mucopolysaccharide composed Of ... .39Glucuronic acid≥44.0%46.39%Molecular weight800000~15000000.90X 106Sodium hyaluronate≥91.0%95.89%Transparency(0.1%Water Solution)≥99 ... Foil Bag,100g/bag, 500g/bag, 1000g/bag, 10bags/box,5 bags/box. Food Grade Hyaluronic Acid