1,Grade:Food grade 2,CAS no: 9004-61-9 3,Appearance: White ... vitreum, umbilical cord, skin joints synovia and cockscomb, etc.The commercial HA is commonly a sodium salt, called sodium hyaluronate, habitually ... used in cosmetics, pharmacy and health and beauty food.Analysis of Certificate (Food grade) Test ItemsSpecificationResultDescriptionWhite powderWhite powderParticle size100% pass through 60 ...