... ,dyestuff,vinegar Usage food grade glacial acetic acid Mainly used in food beverage,preservative,food additives,food flavor,sauce, vinegar, food acidity regular, etc ... area. Store away from combustible material such as alkali substances and food stuffs. Store away from source of heat. ... heavy metal(by Pb),w/% 0.0002max0.0001Arsenic(As),w/% 0.0001max0.00004Free mineral acid testQualified Qualified ...