EPA regulatory flags

5F: TSCA section 5(f) rule

Indicates a substance that is the subject of a TSCA section 5(f) rule.

3 substances carry it in the July 2026 release, of which 3 are designated active.

What it obliges

Compliance with the rule, issued where EPA found the substance presents an unreasonable risk.

What this flag does not establish

The rule text governs and is not reproduced on the Inventory.

Substances carrying 5F

Showing 3 of 3, active substances first. Search the full Inventory for a specific one.

CAS number Substance Status Other flags
85204-21-3 2-Butenoic acid, 4-[(2-ethylhexyl)amino]-4-oxo-, (2Z)-, compd. with 2,2',2''-nitrilotris[ethanol] (1:1) Active PMN R
80584-91-4 Hexanoic acid, 6,6',6''-(1,3,5-triazine-2,4,6-triyltriimino)tris- Active PMN
80584-92-5 Hexanoic acid, 6,6',6''-(1,3,5-triazine-2,4,6-triyltriimino)tris-, compd. with 2,2',2''-nitrilotris[ethanol] (1:3) Active PMN

From the EPA non-confidential TSCA Inventory, July 2026 release. EPA also maintains a confidential portion it does not publish, so a substance absent from this data is not thereby unflagged.