Section 721.10535 - Phosphonium, tributyltetradecyl-, chloride (1:1)(a) Chemical substance and significant new uses subject to reporting. (1) The chemical substance identified as phosphonium, tributyltetradecyl-, chloride (1:1) (PMN P-12-275; CAS No. 81741-28-8) 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)Release to water. Requirements as specified in § 721.90(a)(1), (b)(1), and (c)(1) .(b)Specific requirements. The provisions of subpart A of this part apply to this section except as modified by this paragraph.(1)Recordkeeping. Record keeping requirements as specified in § 721.125(a), (b), (c), and (k) are applicable to manufacturers, importers, and processors of this substance.(2)Limitations or revocation of certain notification requirements. The provisions of § 721.185 apply to this section. 77 FR 48877 , Aug. 15, 2012