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 ... is commonly a sodium salt, called sodium hyaluronate, habitually called hyaluronic acid. HA is a new biological at home and abroad. Its ... , 500g/bag, 1000g/bag, 10bags/box,5 bags/box. Food Grade Hyaluronic Acid