... 4.Crude scale95%min Usage glacial acetic acid,CAS:64-19-7/E260,food grade mainly used in food flavoring,vinegar,food acidity regulators,food beverage,preservative, food ... .0001maxFree mineral acid testqualifiedidentificationMeet the standardThe certifications: ISO9001:2008 ISO14001:2004 GB/T28001-2001. glacial acetic acid,CAS:64-19-7/E260,food grade