40 CFR § 721.12106 - 2-Propenoic acid, 2-methyl-, C13-15-branched and linear alkyl esters.

---
identifier: "/us/cfr/t40/s721.12106"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 721.12106 - 2-Propenoic acid, 2-methyl-, C13-15-branched and linear alkyl esters."
title_number: 40
title_name: "Protection of Environment"
section_number: "721.12106"
section_name: "2-Propenoic acid, 2-methyl-, C13-15-branched and linear alkyl esters."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "R"
subchapter_name: "TOXIC SUBSTANCES CONTROL ACT"
part_number: "721"
part_name: "SIGNIFICANT NEW USES OF CHEMICAL SUBSTANCES"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "15 U.S.C. 2604, 2607, and 2625(c)."
regulatory_source: "49 FR 35018, Sept. 5, 1984, unless otherwise noted."
cfr_part: "721"
---


# 721.12106 2-Propenoic acid, 2-methyl-, C13-15-branched and linear alkyl esters.

(a) *Chemical substance and significant new uses subject to reporting.* (1) The chemical substance identified as 2-propenoic acid, 2-methyl-, C13-15-branched and linear alkyl esters (PMN P-23-74; CASRN 90552-04-8) is subject to reporting under this section for the significant new uses described in paragraph (a)(2) of this section. The requirements of this section do not apply to quantities of the substance after they have been reacted such that less than 1 percent of the substance remains.

(2) The significant new uses are:

(i) *Hazard communication.* Requirements as specified in § 721.72(a) through (f), (g)(3)(iii), and (g)(5). For purposes of § 721.72(e), the concentration is set at 1.0%. Alternative hazard and warning statements that meet the criteria of the Globally Harmonized System and OSHA Hazard Communication Standard may be used.

(ii) *Release to water.* Requirements as specified in § 721.90(a)(1), (b)(1), and (c)(1).

(b) *Specific requirements.* The provisions of subpart A of this part apply to this section except as modified by this paragraph (b).

(1) *Recordkeeping.* Recordkeeping requirements as specified in § 721.125(a) through (c), (f) through (h), and (k) are applicable to manufacturers, importers, and processors of this substance.

(2) *Limitation or revocation of certain notification requirements.* The provisions of § 721.185 apply to this section.

[90 FR 49222, Nov. 4, 2025]