Section 721.10122 - 2-Propenoic acid, 2-methyl-, 1,1'-[2-ethyl-2-[[(2-methyl-1-oxo-2-propen-1-yl)oxy] methyl]- 1,3-propanediyl] ester, polymer with 1,3-butadiene, ethenylbenzene and 2-hydroxyethyl 2-methyl-2-propenoate(a)Chemical substance and significant new uses subject to reporting.(1) The chemical substance identified as 2-propenoic acid, 2-methyl-, 1,1'-[2-ethyl-2-[[(2-methyl-1-oxo-2-propen-1-yl)oxy]methyl]- 1,3-propanediyl] ester, polymer with 1,3-butadiene, ethenylbenzene and 2-hydroxyethyl 2-methyl-2-propenoate (PMN P-06-151; CAS No. 849925-18-4) 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(j) (additive in rubber, i.e. as reinforcing agent; additive in plastics, i.e. as polymeric plasticizer; and additive in polyurethane, i.e. to improve low temperature flexibility).(b)Specific requirements. The provisions of subpart A of this part apply to this section except as modified by this paragraph. (1)Recordkeeping. Recordkeeping requirements as specified in § 721.125 (a), (b), (c), and (i) are applicable to manufacturers, importers, and processors of these substances.(2)Limitations or revocation of certain notification requirements. The provisions of § 721.185 apply to this section. 73 FR 65764 , Nov. 5, 2008