Section 721.11453 - Phosphonium, trihexyltetradecyl-, salt with 1,1,1-trifluoro-N- [(trifluoromethyl)sulfonyl] methanesulfonamide (1:1)(a)Chemical substance and significant new uses subject to reporting.(1) The chemical substance identified as phosphonium, trihexyltetradecyl-, salt with 1,1,1-trifluoro-N- [(trifluoromethyl)sulfonyl] methanesulfonamide (1:1) (PMN P-18-58; CASRN 460092-03-9) 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 a 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=11.(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)Limitations or revocation of certain notification requirements. The provisions of § 721.185 apply to this section. 85 FR 78747 , Dec. 7, 2020