{"data":{"id":"us/21-cfr-182.1745","jurisdiction":"us","citation":"21 CFR 182.1745","heading":"Sodium carboxymethylcellulose.","body":"(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.\n(b) Conditions of use. This substance is generally recognized as safe when used in accordance with good manufacturing practice.","path":["Title 21—Food and Drugs","CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES","SUBCHAPTER B—FOOD FOR HUMAN CONSUMPTION","PART 182—SUBSTANCES GENERALLY RECOGNIZED AS SAFE","Subpart B—Multiple Purpose GRAS Food Substances"],"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":"42b9d7ec5800c19aa18500318023ba7c1cacc3937a1277fae4073ed77c486c7d","source_id":"us-cfr","stale":true,"prev":"us/21-cfr-182.1711","next":"us/21-cfr-182.1748"},"notice":"GroundRules: Original legal text. Not legal advice."}