---
kind: "section"
citation: "40 C.F.R. § 721.4158"
title: "40"
number: "721.4158"
heading: "Hexadecanoic acid, ethenyl ester."
url: "https://uscodex.org/cfr/40/721.4158"
---

# §721.4158. Hexadecanoic acid, ethenyl ester.

- (a) **Chemical substance and significant new uses subject to reporting.**
  - (1) **The chemical substance identified as hexadecanoic acid, ethenyl ester (PMN P-97-302; CAS No.** 693-38-9) 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)(2)(i)](/cfr/40/721.63.md?p=a-2-i) and [(a)(3)](/cfr/40/721.63.md?p=a-a-3).
    - (ii) **Industrial, commercial, and consumer activities.** Requirements as specified in § [721.80 (f)](/cfr/40/721.80.md?p=f) and [(j)](/cfr/40/721.80.md?p=j).
- (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.

## Notes

### Amendments

[63 FR 3428, Jan. 22, 1998]

### Authority

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

### Source

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

### Amendments

[63 FR 3428, Jan. 22, 1998]