{"data":{"id":"us/40-cfr-721.11250","jurisdiction":"us","citation":"40 CFR 721.11250","heading":"Substituted carboxylic acid, polymer with 2,4-diisocyanato- 1-methylbenzene, hexanedioic acid, alpha-hydro-omega-hydroxypoly [oxy(methyl-1,2-ethanediyl)], 1,1'-methylenebis[4- isocyanatobenzene], 2,2'-oxybis[ethanol], 1,1'-oxybis[2-propanol] and 1,2-propanediol (generic).","body":"(a) Chemical substance and significant new uses subject to reporting. (1) The chemical substance generically identified as substituted carboxylic acid, polymer with 2,4-diisocyanato- 1-methylbenzene, hexanedioic acid, alpha-hydro-omega-hydroxypoly [oxy(methyl-1,2-ethanediyl)], 1,1′-methylenebis[4- isocyanatobenzene], 2,2′-oxybis[ethanol], 1,1′-oxybis[2-propanol] and 1,2-propanediol) (PMN P-17-239) is subject to reporting under this section for the significant new uses described in paragraph (a)(2) of this section.\n(2) The significant new uses are:\n(i) Industrial, commercial, and consumer activities. Requirements as specified in § 721.80(o). It is a significant new use to use the substance involving spray application that results in inhalation exposures. It is a significant new use to manufacture (includes importing) the substance to contain more than 20% residual isocyanate by weight.\n(ii) Release to water. Requirements as specified in § 721.90(a)(4), (b)(4), and (c)(4) where N=33.\n(b) Specific requirements. The provisions of subpart A of this part apply to this section except as modified by this paragraph (b).\n(1) Recordkeeping. Recordkeeping requirements as specified in § 721.125(a) through (c), (i), and (k) are applicable to manufacturers, including importers, and processors of this substance.\n(2) Limitations or revocation of certain notification requirements. The provisions of § 721.185 apply to this section.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER R—TOXIC SUBSTANCES CONTROL ACT","PART 721—SIGNIFICANT NEW USES OF CHEMICAL SUBSTANCES","Subpart E—Significant New Uses for Specific Chemical Substances"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-40.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:04Z","sha256":"0d24370fa2a2fa1de96057bcf5baa6344093716a4fc7bbcf31dda3a2b4376be9","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-721.11249","next":"us/40-cfr-721.11251"},"notice":"GroundRules: Original legal text. Not legal advice."}