§ 721.12208 Alkanoic acid, mercapto-, ((((mercapto-oxoalkoxy)-(mercapto-oxoalkoxy)alkyl)alkoxy)alkyl)-((mercapto-oxoalkoxy)alkyl)-alkanediyl ester (generic).
(a)Chemical substance and significant new uses subject to reporting.
(1)The chemical substance identified generically as alkanoic acid, mercapto-, ((((mercapto-oxoalkoxy)-(mercapto-oxoalkoxy)alkyl)(alkoxy)alkyl)-((mercapto-oxoalkoxy)(alkyl)-(alkanediyl ester (PMN P-24-129) 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 completely reacted or cured (i.e., the substance has been reacted or cured to the extent that no release of the substance can be detected).
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§ 721.12208 Alkanoic acid, mercapto-, ((((mercapto-oxoalkoxy)-(mercapto-oxoalkoxy)alkyl)alkoxy)alkyl)-((mercapto-oxoalkoxy)alkyl)-alkanediyl ester (generic).
(a) Chemical substance and significant new uses subject to reporting. (1) The chemical substance identified generically as alkanoic acid, mercapto-, ((((mercapto-oxoalkoxy)-(mercapto-oxoalkoxy)alkyl)(alkoxy)alkyl)-((mercapto-oxoalkoxy)(alkyl)-(alkanediyl ester (PMN P-24-129) 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 completely reacted or cured (i.e., the substance has been reacted or cured to the extent that no release of the substance can be detected).
(2) The significant new uses are:
(i) Protection in the workplace. Requirements as specified in § 721.63(a)(1) and (3), and (c). When determining which persons are reasonably likely to be exposed as required for § 721.63(a)(1), engineering control measures (e.g., enclosure or confinement of the operation, general and local ventilation) or administrative control measures (e.g., workplace policies and procedures) shall be considered and implemented to prevent exposure, where feasible.
(ii) Hazard communication. Requirements as specified in § 721.72(a) through (d), (f), (g)(1), (g)(3)(iii), and (g)(5). For purposes of § 721.72(g)(1), this substance may cause: skin sensitization, acute toxicity, respiratory sensitization, reproductive toxicity, and specific target organ toxicity. Alternative hazard and warning statements that meet the criteria of the Globally Harmonized System and OSHA Hazard Communication Standard may be used.
(iii) Industrial, commercial, and consumer activities. Requirements as specified in § 721.80(o). It is a significant new use to manufacture, process, or use the substance in any manner that results in inhalation exposure to the substance.
(iv) Release to water. Requirements as specified in § 721.90(a)(4), (b)(4), and (c)(4) where N=1.6.
(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 (i), 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.
[91 FR 31966, May 29, 2026]