... American Credible Delive Usage food grade glacial acetic acid Mainly used in food beverage,preservative,food additives,food flavor,sauce, vinegar, food acidity regular, etc.Process ... /ISO9001:2008.Specifications food grade glacial acetic acidItemStandardResultAppearanceColorless transparent liquidqualifiedChroma/(platinum-cobalt No./hazen units) 10max9Acidity,w% 99.5min99.6Potassium permanganate ...