21 CFR 182.1745 - Sodium carboxymethylcellulose.
(a)Product. Sodium carboxymethylcellulose is the sodium salt of carboxymethylcellulose not less than 99.5 percent on a dry-weight basis, with maximum substitution of 0.95 carboxymethyl groups per anhydroglucose unit, and with a minimum viscosity of 25 centipoises for 2 percent by weight aqueous solution at 25 °C.
Title 21 published on 2015-12-03.
No entries appear in the Federal Register after this date, for 21 CFR Part 182.