21 C.F.R. § 178.3125
Anticorrosive agents.
Cite as 21 C.F.R. § 178.3125 (2026)
The substances listed in this section may be used as anticorrosive agents in food-contact materials subject to the provisions of this section:
Substances
Limitations
Zinc hydroxy phosphite (CAS Reg. No. 55799-16-1)
For use only as a component of resinous and polymeric food-contact coatings intended for repeated use in contact with dry foods.
[50 FR 21835, May 29, 1985]