1,Grade:Food grade 2,CAS no: 9004-61-9 3,Appearance: White powder Hyaluronic acid (HA) is a straight chain macromolecular ... food.Analysis of Certificate (Food grade) Test ItemsSpecificationResultDescriptionWhite powderWhite powderParticle size100% pass through 60 meshCompliedPH(0.1%Water Solution)6.0~8.06.39Glucuronic acid ... /bag, 1000g/bag, 10bags/box,5 bags/box. Food Grade Hyaluronic Acid