REACH Annex XVII, entry 81: 1-ethylpyrrolidin-2-one (NEP)
Entry 81 covers: 1-ethylpyrrolidin-2-one (NEP). The first condition begins: "1. Shall not be placed on the market as a substance on its own, as a constituent of other substances, or in mixtures in a concentration equal to or greater than 0,3 % after 23 December 2026 unless ..."
- Annex
- XVII: Restrictions on the manufacture, placing on the market and use of certain dangerous substances, mixtures and articles
- Entry number
- 81
- CAS numbers in the designation
- 2687-91-4
- Later date in the text
- 23 December 2026
- Version
- Consolidated version of 22 June 2026
- Official source
- Regulation (EC) No 1907/2006 (REACH), consolidated text
Designation of the substance, of the group of substances or of the mixture (official wording)
1-ethylpyrrolidin-2-one (NEP)
CAS No 2687-91-4
EC No 220-250-6
Conditions of restriction (official wording)
1. Shall not be placed on the market as a substance on its own, as a constituent of other substances, or in mixtures in a concentration equal to or greater than 0,3 % after 23 December 2026 unless manufacturers, importers and downstream users have included in the relevant chemical safety reports and safety data sheets, derived no-effect levels (DNELs) relating to exposure of workers of 4,0 mg/m3 for long-term exposure by inhalation and 2,4 mg/kg bw/day for long-term dermal exposure.
2. Shall not be manufactured, or used, as a substance on its own, as a constituent of other substances, or in mixtures in a concentration equal to or greater than 0,3 % after 23 December 2026 unless manufacturers and downstream users take the appropriate risk management measures and provide the appropriate operational conditions to ensure that exposure of workers is below the DNELs specified in paragraph 1.
Dates in the text that come after 5 November 2026
The consolidated text contains the following wording with a later date.
- Shall not be placed on the market as a substance on its own, as a constituent of other substances, or in mixtures in a concentration equal to or greater than 0,3 % after 23 December 2026 unless manufacturers, importers and downstream users have included in the relevant chemical safety reports and safety data sheets, derived no-effect levels (DNELs) relating to exposure of workers of 4,0 mg/m3 for long-term exposure by inhalation and 2,4 mg/kg bw/day for long-term dermal exposure.
- Shall not be manufactured, or used, as a substance on its own, as a constituent of other substances, or in mixtures in a concentration equal to or greater than 0,3 % after 23 December 2026 unless manufacturers and downstream users take the appropriate risk management measures and provide the appropriate operational conditions to ensure that exposure of workers is below the DNELs specified in paragraph 1.
Neighbouring entries
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