CMC for Detergent/Oil drilling liquids/ Food Usage:oil drilling,textiles,pharmaceutical,paint,ceramics,chemicals,papermaking 1.CAS No.: 9000- ... for Food 5.Usage:CMC is widely used in oil drilling, textiles, pharmaceutical, paint, ceramics, daily-use chemicals, paper and other ... 'FCL 7.H.S. Code: 3912310000 Carboxyl Methyl Cellulose Food additive