n-Methylpyrrolidone (NMP)
What is the rule status for n-Methylpyrrolidone (NMP)?
For n-Methylpyrrolidone (NMP), rule status is Proposed; effective date is If finalized, Workplace Chemical Protection Program requirements to prevent direct skin contact with NMP would go into effect a year after the rule is finalized; prohibited uses is Proposed: commercial use of NMP in automotive care products, cleaning and degreasing products, metal products and cleaning and furniture care products; use in antifreeze, de-icing products and lubricants; commercial use in fertilizers and other agricultural chemical manufacturing processes; exemptions is Proposed NMP concentration limit of no greater than 45% in consumer glues and adhesives, with container size limits and labeling requirements for other types of consumer products, recorded from its source on 2026-08-18; source re-checked 2026-09-27.
EPA announced a proposed rule under the Toxic Substances Control Act (TSCA) that would protect workers and consumers from exposure to the solvent NMP.
— epa.gov, retrieved 2026-08-18
- Chemical
- n-Methylpyrrolidone (NMP)
- Rule status
- Proposed our reading
- Effective date
- If finalized, Workplace Chemical Protection Program requirements to prevent direct skin contact with NMP would go into effect a year after the rule is finalized
- Prohibited uses
- Proposed: commercial use of NMP in automotive care products, cleaning and degreasing products, metal products and cleaning and furniture care products; use in antifreeze, de-icing products and lubricants; commercial use in fertilizers and other agricultural chemical manufacturing processes
- Exemptions
- Proposed NMP concentration limit of no greater than 45% in consumer glues and adhesives, with container size limits and labeling requirements for other types of consumer products
Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.
Source
- epa.govhttps://www.epa.gov/assessing-and-managing-chemicals-under-tsca/risk-management-n-methylpyrrolidone-nmp