Section 721.11563 - Propanedioic acid, 1,3-dihexyl ester(a)Chemical substance and significant new uses subject to reporting.(1) The chemical substance identified as propanedioic acid, 1,3-dihexyl ester (PMN P-18-334; CAS No. 1431-37-4) 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. Requirements as specified in § 721.80(g) .(ii)Release to water. Requirements as specified in § 721.90(a)(4), (b)(4), and (c)(4) , where N=3.(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)Limitation or revocation of certain notification requirements. The provisions of § 721.185 apply to this section. 86 FR 62921 , Nov. 15, 2021