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§ 721.10583 Benzenamine, 4,4′-[1,3-phenylenebis(1-methylethylidene)]bis-.
(a) Chemical substance and significant new uses subject to reporting. (1) The chemical substance identified as benzenamine, 4,4′-[1,3-phenylenebis(1-methylethylidene)]bis- (PMN P-10-588; CAS No. 2687-27-6) 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)(6)(i), (a)(6)(ii), (b)(concentration set at 0.1 percent), and (c). The following National Institute for Occupational Safety and Health (NIOSH)-certified respirators with an assigned protection factor (APF) of at least 1,000 meet the requirements of § 721.63(a)(4):