Section 721.11491 - Cyclohexane, 1,4-bis(ethoxymethyl)-(a)Chemical substance and significant new uses subject to reporting.(1) The chemical substance identified as cyclohexane, 1,4-bis(ethoxymethyl)- (PMN P-17-86, CAS No. 54889-63-3) 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 process the PMN substance to greater than 1.5% (by weight) for use in consumer products.(ii)Release to water. Requirements as specified in § 721.90(a)(4) and (b)(4) , where N = 330. Processors receiving the PMN substance from fragrance compounding processors at concentrations below 10% (by weight) are exempt from the water release provisions.(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 30194 , June 7, 2021