21 CFR 556.445
§ 556.445 Nicarbazin.
United States · 21 CFR — Food and Drugs · Status: effective
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- Citation
- 21 CFR 556.445, § 556.445 Nicarbazin, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/87795
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Full text
(a) Acceptable daily intake (ADI). The ADI for total residues of nicarbazin (4,4′-dinitrocarbanilide and 2-hydroxy-4,6-dimethylpyrimidine) is 200 µg/kg of body weight per day.
(b) Tolerances. The tolerance for 4,4′-dinitrocarbanilide (marker residue) is:
(1) Chickens. Liver (target tissue): 52 ppm.
(2) [Reserved]
(c) Related conditions of use. See §§ 558.364 and 558.366 of this chapter.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.