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§ 721.11290 Alkylsilsesquioxane, ethoxy-terminated (generic).

40 CFR 721.11290

Citation40 CFR 721.11290
CorpusDaily eCFR
Displayed edition2026-04-27
Last updated2026-04-27

§ 721.11290 Alkylsilsesquioxane, ethoxy-terminated (generic).

(a) Chemical substance and significant new uses subject to reporting. (1) The chemical substance identified generically as alkylsilsesquioxane, ethoxy-terminated (PMN P-18-137) is subject to reporting under this section for the significant new uses described in paragraph (a)(2) of this section.

(2) The significant new uses are:

(i) Industrial, commercial, and consumer activities. It is a significant new use to manufacture, process, or use the substance in any manner that results in inhalation exposure.

(ii) Release to water. Requirements as specified in § 721.90(a)(4), (b)(4), and (c)(4), where N=58.

(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), (i), and (k) are applicable to manufacturers and processors of this substance.

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

[86 FR 24333, May 6, 2021]