{"data":{"id":"us/21-cfr-582.1745","jurisdiction":"us","citation":"21 CFR 582.1745","heading":"Sodium carboxymethylcellulose.","body":"(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.\n(b) Conditions of use. This substance is generally recognized as safe when used in accordance with good manufacturing or feeding practice.","path":["Title 21—Food and Drugs","CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES","SUBCHAPTER E—ANIMAL DRUGS, FEEDS, AND RELATED PRODUCTS","PART 582—SUBSTANCES GENERALLY RECOGNIZED AS SAFE","Subpart B—General Purpose Food Additives"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-21.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:47Z","sha256":"8f8a94cd88d78d0cc4feb6772dbb3907d0b3a442b9f6b9b761cf9485ec94569d","source_id":"us-cfr","stale":true,"prev":"us/21-cfr-582.1742","next":"us/21-cfr-582.1748"},"notice":"GroundRules: Original legal text. Not legal advice."}