... acid,CAS:64-19-7/E260,food grade mainly used in food flavoring,vinegar,food acidity regulators,food beverage,preservative, food flavor, sauce,etc.Process According ... transparent liquidColor(platinum-cobalt color Number/hazen units) 10maxAcidity,w% 99.5minPotassium permanganate experiment minute 32minEvaporites deposits,w/% 0.005maxFreezing point ... -2001. glacial acetic acid,CAS:64-19-7/E260,food grade