Section 721.11257 - Hydrogenated fatty acid dimers, polymers with 1,1'-methylenebis[4-isocyanatobenzene], polypropylene glycol, polypropylene glycol ether with trimethylolpropane (3:1), and 1,3-propanediol, polypropylene glycol monomethacrylate-blocked (generic)(a)Chemical substance and significant new uses subject to reporting.(1) The chemical substance identified generically as hydrogenated fatty acid dimers, polymers with 1,1'-methylenebis[4-isocyanatobenzene], polypropylene glycol, polypropylene glycol ether with trimethylolpropane (3:1), and 1,3-propanediol, polypropylene glycol monomethacrylate-blocked (P-19-10) 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 use the substance involving an application method that results in inhalation exposures.(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 (i) are applicable to manufacturers, including importers, and processors of this substance.(2)Limitations or revocation of certain notification requirements. The provisions of § 721.185 apply to this section.85 FR 15957, Mar. 20, 2020