§ 721.1800 3,3′,5,5′-Tetramethylbiphenyl-4,4′-diol.

(a) Chemical substances and significant new uses subject to reporting. (1) The chemical substance identified as 3,3′,5,5′-tetramethylbiphenyl-4,4′-diol (PMN P-88-972) 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)(vii), (a)(6)(i), (a)(6)(ii), (a)(6)(iv), (b) (concentration set at 1 percent), and (c).