§ 721.5350 Butanenitrile, 2-amino-2,3-dimethyl-.

(a) Chemical substance and significant new uses subject to reporting. (1) The chemical substance identified as butanenitrile, 2-amino-2,3-dimethyl- (PMN P-83-603; CAS No. 13893-53-3) 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), (a)(3), (a)(4), (a)(5)(i), (a)(5)(ii), (a)(5) (iii), (a)(6)(v), (b) (concentration set at 1 percent), and (c).