99+ percent Pure l-ascorbic acid, chemical formula: c6h8o6, a form of Vitamins C Meets United States Pharmacopoeia specifications, food grade BP2012/USP36 bioactive, non-gmo Packaged in a heavy-duty 5 mil/120um light resistant, PE/aluminum/nylon resealable bag - flexible & strong Synonyms: Vitamins C, ascorvit, vitamin C, acorbate, ascorbutina, catavin C, cevex, secorbate, 3-keto-l-gulofuranolactone; 3-oxo-l-gulofuranolactone White crystalline powder / 80 mesh / 177 micron