StacksVerified U.S. regulatory reference

21 CFR §189.120

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)Cobaltous salts are the chemicals, CoC4H6O4, CoCl2, and CoSO4.They have been used in fermented malt beverages as a foam stabilizer and to prevent “gushing.”
  2. (b)Food containing any added cobaltous salts is deemed to be adulterated in violation of the act based upon an order published in the Federal Register of August 12, 1966 (31 FR 8788).