Antimicrobial Agents / Denuding Agents / Hog Scald Agents / Rendering agents

Trisodium phosphate

Parameters

Chart entries: 4
Purposes: To reduce microbial levels; To denude mucous membranes; To remove hair; To aid rendering
Curing agent: no

9 CFR 424.21, chart at paragraph (c). eCFR as in force on 2026-01-01, retrieved 2026-09-04.

Permitted uses and amounts

Trisodium phosphate, as listed in 9 CFR 424.21(c)
Class	Purpose	Products	Amount
Antimicrobial Agents	To reduce microbial levels	Raw, chilled poultry carcasses	8 to 12 percent; solution to be maintained at 45 °F. to 55 °F. and applied by spraying or dipping carcasses for up to 15 seconds when used in accordance with 21 CFR 182.1778.
Denuding Agents	To denude mucous membranes	Tripe	Sufficient for purpose.
Hog Scald Agents	To remove hair	Hog carcasses	Sufficient for purpose.
Rendering agents	To aid rendering	Animal fats	Sufficient for purpose.

Source: Electronic Code of Federal Regulations (eCFR), Title 9, 9 CFR 424.21. Parsed from eCFR XML as in force on 2026-01-01, retrieved 2026-09-04. Read the section