Section 721.11417 - 1,3-Butanediol, (3R)-(a)Chemical substance and significant new uses subject to reporting.(1) The chemical substance identified as 1,3-butanediol, (3R)-(PMN P-18-295, CAS No. 6290-03-5) 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)Industrial, commercial, and consumer activities. Requirements as specified in § 721.80(g) . It is a significant new use to use the chemical substance for other than as an ingredient in consumer cleaning products.(b)Specific requirements. The provisions of subpart A of this part apply to this section except as modified by this paragraph (b).(1)Recordkeeping. Recordkeeping requirements as specified in § 721.125(a) through (c) and (i) 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. 85 FR 45326 , July 28, 2020