Section 721.10777 - 2,4-Hexadienoic acid, 3-(trimethoxysilyl)propyl ester(a)Chemical substance and significant new uses subject to reporting.(1) The chemical substance identified as 2,4-hexadienoic acid, 3-(trimethoxysilyl)propyl ester (PMN P-13-945; CAS No. 3090-13-9) 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. Requirements as specified in § 721.80(y)(1) .(ii)Release to water. Requirements as specified in § 721.90(a)(4), (b)(4), and (c)(4) (N = 58).(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), (b), (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. 79 FR 63837 , Oct. 27, 2014