Section 721.11460 - 1-Propanaminium, N-(carboxymethyl)-N,N-dimethyl-3-[(3,5,5-trimethyl-1-oxohexyl)amino]-, inner salt(a)Chemical substance and significant new uses subject to reporting.(1) The chemical substance identified as 1-Propanaminium, N-(carboxymethyl)-N,N-dimethyl-3-[(3,5,5-trimethyl-1-oxohexyl)amino]-, inner salt. (PMN P-18-391; CASRN 2169783-63-3) 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 for any use 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 and processors of this substance.(2)Limitations or revocation of certain notification requirements. The provisions of § 721.185 apply to this section. 86 FR 22874 , Apr. 30, 2021