40 CFR § 180.644 - Cyprosulfamide; tolerances for residues.

---
identifier: "/us/cfr/t40/s180.644"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 180.644 - Cyprosulfamide; tolerances for residues."
title_number: 40
title_name: "Protection of Environment"
section_number: "180.644"
section_name: "Cyprosulfamide; tolerances for residues."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "E"
subchapter_name: "PESTICIDE PROGRAMS"
part_number: "180"
part_name: "TOLERANCES AND EXEMPTIONS FOR PESTICIDE CHEMICAL RESIDUES IN FOOD"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "21 U.S.C. 321(q), 346a and 371."
regulatory_source: "36 FR 22540, Nov. 25, 1971, unless otherwise noted."
cfr_part: "180"
---


# 180.644 Cyprosulfamide; tolerances for residues.

(a) *General.* (1) Tolerances are established for residues of the herbicide safener cyprosulfamide, *N*-[[4-[(cyclopropylamino)carbonyl] phenyl]sulfonyl]-2-methoxybenzamide, in or on the following raw agricultural commodities:

| Commodity | Parts per million |
| --- | --- |
| Corn, field, forage | 0.20 |
| Corn, field, grain | 0.01 |
| Corn, field, stover | 0.20 |
| Corn, pop, grain | 0.01 |
| Corn, pop, stover | 0.20 |
| Corn, sweet, forage | 0.40 |
| Corn, sweet, kernel plus cob with husks removed | 0.01 |
| Corn, sweet, stover | 0.35 |

(2) Tolerances are established for residues of the herbicide safener cyprosulfamide, *N*-[[4-[(cyclopropylamino)carbonyl] phenyl]sulfonyl]-2-methoxybenzamide, and its metabolite 4-(aminosulfonyl)-*N*-cyclopropylbenzamide, calculated as cyprosulfamide, in or on the following raw agricultural commodities:

| Commodity | Parts per million |
| --- | --- |
| Cattle, meat byproducts | 0.02 |
| Goat, meat byproducts | 0.02 |
| Horse, meat byproducts | 0.02 |
| Sheep, meat byproducts | 0.02 |

(b) *Section 18 emergency exemptions.* [Reserved]

(c) *Tolerances with regional registrations.* [Reserved]

(d) *Indirect or inadvertant residues.* [Reserved]

[73 FR 60974, Oct. 15, 2008]