Chemical formula and molecular weight Chemical formula:C6H8O4 Molecular weight:144.12 CAS No.:624-49-7 SpecificationsMolecular formula: C6H8O4 Products used for food, feed, tobacco, leather, clothing and anti-corrosion mouldproof and preservatiTechnical indexItemDetailsAppearancewhite flaky or powdered crystalAssay, %98.5M.p.,102-104Non-volaitles, %0.1Heavy metal (pb), %0.0025Free acids, %0.15