Section 721.3420 - Benzene, 1-bromo-4-methoxy-2-methyl-(a)Chemical substance and significant new uses subject to reporting.(1) The chemical substance identified as benzene, 1-bromo-4-methoxy-2-methyl- (PMN P-83-906; CAS No. 27060-75-9) 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)Protection in the workplace. Requirements as specified in § 721.63 (a)(1) and (a)(3) .(ii)Hazard communication program. Requirements as specified in § 721.72 (b)(1)(i)(D) and (g)(2)(v) . The provision of § 721.72(g) requiring placement of specific information in an SDS does not apply when an SDS is not required under § 721.72(c) .(b)Specific requirements. The provisions of subpart A of this part apply to this section except as modified by this paragraph.(1)Recordkeeping. The following recordkeeping requirements are applicable to manufacturers, importers, and processors of this substance: § 721.125 (a), (b), (c), (d), (f), and (g) .(2)Limitations or revocation of certain notification requirements. The provisions of § 721.185 apply to this section.56 FR 25990, June 5, 1991. Redesignated at 58 FR 29946, May 24, 1993, as amended at 58 FR 34204, June 23, 1993; 79 FR 34637 , June 18, 2014