§ 721.10203 - Phosphonium, tetrabutyl-, hydroxide (1:1).

§ 721.10203 Phosphonium, tetrabutyl-, hydroxide (1:1).

(a) Chemical substance and significant new uses subject to reporting.

(1) The chemical substance identified as phosphonium, tetrabutyl-, hydroxide (1:1) (PMN P-08-742; CAS No. 14518-69-5) 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) Release to water. Requirements as specified in § 721.90 (a)(1), (b)(1), and (c)(1).

(ii) [Reserved]

(b) Specific requirements. The provisions of subpart A of this part apply to this section except as modified by this paragraph.

(1) Recordkeeping. Recordkeeping requirements as specified in § 721.125 (a), (b), (c), and (k) are applicable to manufacturers, importers, and processors of this substance.

(2) Limitations or revocation of certain notification requirements. The provisions of § 721.185 apply to this section.

[75 FR 57182, Sept. 20, 2010]