40 CFR § 721.3063 - Certain substituted phenyl azo substituted phenyl esters.

---
identifier: "/us/cfr/t40/s721.3063"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 721.3063 - Certain substituted phenyl azo substituted phenyl esters."
title_number: 40
title_name: "Protection of Environment"
section_number: "721.3063"
section_name: "Certain substituted phenyl azo substituted phenyl esters."
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"
---


# 721.3063 Certain substituted phenyl azo substituted phenyl esters.

(a) *Chemical substance and significant new uses subject to reporting.* (1) The chemical substances identified as glycine, N-[3-(acetylamino)-4-[2-(2-cyano-4-nitrophenyl)diazenyl]phenyl]-N-(2-methoxy-2-oxoethyl)-, methyl ester (PMN P-95-0655: CAS No. 149850-30-6); L-alanine, N-[5-(acetylamino)-2-chloro-4-[2-(2-cyano-4-nitrophenyl)diazenyl]phenyl]-, methyl ester (PMN P-95-0782; CAS No. 157707-95-4); and generically as substituted phenyl azo substituted phenyl esters (PMN P-95-0871) are 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(w)(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) 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 significant new use rule.

[61 FR 63736, Dec. 2, 1996, as amended at 79 FR 34637, June 18, 2014]