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Denuding Agents / Miscellaneous / Poultry scald agents

Sodium hydroxide

Parameters

Chart entries
3
Purposes
To denude mucous membranes; To alkalize; To remove feathers
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

Sodium hydroxide, as listed in 9 CFR 424.21(c)
ClassPurposeProductsAmount
Denuding AgentsTo denude mucous membranesTripeSufficient for purpose.
MiscellaneousTo alkalizeMargarine or oleomargarineSufficient for purpose.
Poultry scald agentsTo remove feathersPoultry carcassesSufficient 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