---
kind: "section"
citation: "40 C.F.R. § 721.10091"
title: "40"
number: "721.10091"
heading: "2(1H)-Pyrimidinone, tetrahydro-1,3-dimethyl-."
url: "https://uscodex.org/cfr/40/721.10091"
---

# §721.10091. 2(1H)-Pyrimidinone, tetrahydro-1,3-dimethyl-.

- (a) **Chemical substance and significant new uses subject to reporting.**
  - (1) The chemical substance identified as 2(1H)-pyrimidinone, tetrahydro-1,3-dimethyl- (PMN P-02-135; CAS No. 7226-23-5) is subject to reporting under this section for the significant new uses described in [paragraph (a)(2)](#a-2) of this section.
  - (2) **The significant new uses are—**
    - (i) **Protection in the workplace.** Requirements as specified in § [721.63 (a)(1)](/cfr/40/721.63.md?p=a-1), [(a)(2)(i)](/cfr/40/721.63.md?p=a-2-i), [(a)(3)(i)](/cfr/40/721.63.md?p=a-3-i), [(b)](/cfr/40/721.63.md?p=a-3-b), and [(c)](/cfr/40/721.63.md?p=a-3-c). Best's Viton model #890, Best's Butyl model #874, and Best's Butyl #878 have been demonstrated to satisfy [§ 721.63(a)(3)(i)](/cfr/40/721.63.md?p=a-3-i). Other demonstrated impervious gloves that satisfy [§ 721.63(a)(3)(i)](/cfr/40/721.63.md?p=a-3-i) are permissible.
    - (ii) **Industrial, commercial, and consumer activities.** Requirements as specified in § [721.80 (f)](/cfr/40/721.80.md?p=f), [(j)](/cfr/40/721.80.md?p=j) (aprotic solvent and catalyst), and (s) (20,000 kg).
- (b) **Specific requirements.** The provisions of subpart A of this part apply to this section except as modified by this paragraph.
  - (1) **Recordkeeping.** Recordkeeping requirements as specified in § [721.125 (a)](/cfr/40/721.125.md?p=a), [(b)](/cfr/40/721.125.md?p=b), [(c)](/cfr/40/721.125.md?p=c), [(d)](/cfr/40/721.125.md?p=d), [(e)](/cfr/40/721.125.md?p=e), and [(i)](/cfr/40/721.125.md?p=i) are applicable to manufacturers, importers, and processors of this substance.
  - (2) **Limitations or revocation of certain notification requirements.** The provisions of [§ 721.185](/cfr/40/721.185.md) apply to this section.
  - (3) **Determining whether a specific use is subject to this section.** The provisions of [§ 721.1725(b)(1)](/cfr/40/721.1725.md?p=b-1) apply to this section.

## Notes

### Amendments

[73 FR 65758, Nov. 5, 2008]

### Authority

Authority: 15 U.S.C. 2604, 2607, and 2625(c).

### Source

Source: 49 FR 35018, Sept. 5, 1984, unless otherwise noted.

### Amendments

[73 FR 65758, Nov. 5, 2008]