Section 721.1900 - Substituted bromothiophene(a)Chemical substances and significant new uses subject to reporting.(1) The chemical substance identified generically as substituted bromothiophene (P-83-769) 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)(4), (a)(5)(i), (a)(5)(ii), (a)(5)(iii), (a)(5)(iv), (a)(5)(v), and (a)(6)(i) .(ii)Hazard communication program. Requirements as specified in § 721.72 (b)(1)(i)(D) and (g)(2)(iv) . 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