Carboxymethylcellulose (CMC; E466) is a chemically modified derivative of cellulose formed by its reaction with alkali and chloroacetic acid.
CAS Number: 9004-32-4.
E number: E466
Sodium metabisulfite has found use as a reducing agent in the manufacture of biscuits, especially the low-fat, low-sugar types embraced by the generic term ‘semi-sweet’.