§ 721.12212 Silsesquioxanes, alkyl Ph alkoxy(halosubstitutedphenyl), polymers with silicic acid (H4SiO4) tetra-Me ester, hydroxy-terminated (generic).
(a)Chemical substance and significant new uses subject to reporting.
(1)The chemical substance identified generically as silsesquioxanes, alkyl Ph alkoxy(halosubstitutedphenyl), polymers with silicic acid (H4SiO4) tetra-Me ester, hydroxy-terminated (PMN P-24-189) 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)Hazard communication. Requirements as specified in § 721.72(a) through (d), (f), (g)(1), and (5). For purposes of § 721.72(g)(1), this substance may cause: acute toxicity and specific target organ toxicity. Alternative hazar Free access — add to your briefcase to read the full text and ask questions with AI
§ 721.12212 Silsesquioxanes, alkyl Ph alkoxy(halosubstitutedphenyl), polymers with silicic acid (H4SiO4) tetra-Me ester, hydroxy-terminated (generic).
(a) Chemical substance and significant new uses subject to reporting. (1) The chemical substance identified generically as silsesquioxanes, alkyl Ph alkoxy(halosubstitutedphenyl), polymers with silicic acid (H4SiO4) tetra-Me ester, hydroxy-terminated (PMN P-24-189) 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) Hazard communication. Requirements as specified in § 721.72(a) through (d), (f), (g)(1), and (5). For purposes of § 721.72(g)(1), this substance may cause: acute 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.
(ii) Industrial, commercial, and consumer activities. Requirements as specified in § 721.80(k). It is a significant new use to manufacture, process, or use the substance in any manner that results in inhalation exposure to the substance.
(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) and (f) through (i) 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]