40 CFR § 721.6100 - Phosphoric acid, C-alkyl esters, compounds with 2-(dibutylamino) ethanol.

---
identifier: "/us/cfr/t40/s721.6100"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 721.6100 - Phosphoric acid, C-alkyl esters, compounds with 2-(dibutylamino) ethanol."
title_number: 40
title_name: "Protection of Environment"
section_number: "721.6100"
section_name: "Phosphoric acid, C-alkyl esters, compounds with 2-(dibutylamino) ethanol."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "R"
subchapter_name: "TOXIC SUBSTANCES CONTROL ACT"
part_number: "721"
part_name: "SIGNIFICANT NEW USES OF CHEMICAL SUBSTANCES"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "15 U.S.C. 2604, 2607, and 2625(c)."
regulatory_source: "49 FR 35018, Sept. 5, 1984, unless otherwise noted."
cfr_part: "721"
---


# 721.6100 Phosphoric acid, C-alkyl esters, compounds with 2-(dibutylamino) ethanol.

(a) *Chemical substances and significant new uses subject to reporting.* (1) The chemical substances identified as phosphoric acid, C<sub>6-12</sub>-alkyl esters, compounds with 2-(dibutylamino)ethanol (PMN P-90-384) are subject to reporting under this section for the significant new use described in paragraph (a)(2) of this section.

(2) The significant new use is:

(i) *Release to water.* Requirements as specified in § 721.90 (a)(4), (b)(4), and (c)(4) (concentration set at 700 ppb).

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

(2) *Limitations or revocation of certain notification requirements.* The provisions of § 721.185 apply to this significant new use rule.

[56 FR 19239, Apr. 25, 1991. Redesignated at 58 FR 29947, May 24, 1993, as amended at 58 FR 34204, June 23, 1993]