Sodium carboxymethylcellulose.
21 C.F.R. § 582.1745
in effectEffective: 2024-07-01(a) Product. Sodium carboxymethyl- cellulose 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.
(b) Conditions of use. This substance is generally recognized as safe when used in accordance with good manufacturing or feeding practice.
Source: eCFRURL: https://www.ecfr.gov/api/versioner/v1/full/2024-07-01/title-21.xmlFetched: 7/26/2026
