Data / Federal rules / 2026-13825
Designation of Phenethyl Halides as List I Chemicals
The Drug Enforcement Administration published this proposed rule in the Federal Register on July 9, 2026. Comments closed on August 10, 2026.
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What the agency says
The Drug Enforcement Administration is proposing the control of phenethyl halides as list I chemicals under the Controlled Substances Act (CSA). Phenethyl halides are important to the illicit manufacture of fentanyl, as well as fentanyl analogues, and fentanyl- related substances as they are often used in synthetic routes to manufacture these substances. Further, in the respective synthetic routes in which they are used to manufacture fentanyl, fentanyl analogues, and fentanyl-related substances, various phenethyl halides, such as phenethyl bromide and phenethyl chloride, can be substituted for each other. If finalized, the proposed rule would subject handlers of phenethyl halides to the chemical regulatory provisions of the CSA and its implementing regulations. This proposed rulemaking does not establish a threshold for domestic and international transactions of phenethyl halides. As such, all transactions of phenethyl halides regardless of size or concentration, shall be regulated and would be subject to control under the CSA.
Key facts
- Document number
- 2026-13825
- Type
- Proposed rule
- Action
- Notice of proposed rulemaking
- Agency
- Justice Department; Drug Enforcement Administration
- Published
- July 9, 2026
- Comments due
- August 10, 2026
- Dates
- Comments must be submitted electronically or postmarked on or before August 10, 2026. Commenters should be aware that the electronic Federal Docket Management System will not accept any comments after 11:59 p.m. Eastern Time on the last day of the comment period.
- Docket
- Docket No. DEA-1282
- Code of Federal Regulations
- 21 CFR 1310
- Topics
- Administrative practice and procedure; Drug traffic control; Reporting and recordkeeping requirements
- Pages
- 8
Other documents from the Drug Enforcement Administration
Everything from the Drug Enforcement Administration · Rules on administrative practice and procedure · Rules on drug traffic control · Rules on reporting and recordkeeping requirements · Published in July 2026
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