... drilling liquids/ Food Usage:oil drilling,textiles,pharmaceutical,paint,ceramics,chemicals,papermaking 1.CAS No.: 9000-11-72.Molecular Formula: [C6H7O2 ... used in oil drilling, textiles, pharmaceutical, paint, ceramics, daily-use chemicals, paper and other industries. It can be used as suspending ... 'FCL 7.H.S. Code: 3912310000 Carboxyl Methyl Cellulose Food additive