40 CFR § 721.4320 - Hydrazinecarboxamide, -(methylenedi-4,1-phenylene)bis [2,2-dimethyl-.

---
identifier: "/us/cfr/t40/s721.4320"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 721.4320 - Hydrazinecarboxamide, -(methylenedi-4,1-phenylene)bis [2,2-dimethyl-."
title_number: 40
title_name: "Protection of Environment"
section_number: "721.4320"
section_name: "Hydrazinecarboxamide, -(methylenedi-4,1-phenylene)bis [2,2-dimethyl-."
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"
---


# 721.4320 Hydrazinecarboxamide, -(methylenedi-4,1-phenylene)bis [2,2-dimethyl-.

(a) *Chemical substance and significant new uses subject to reporting.* (1) The chemical substance hydrazinecarboxamide, *N,N′*-(methylenedi-4,1-phenylene)bis[2,2-dimethyl- (PMN P-88-522) 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) *Protection in the workplace.* Requirements as specified in § 721.63 (a)(1), (a)(3), (a)(4), (a)(5)(viii) through (a)(5)(xiv), (a)(6)(i), (a)(6)(ii), (b) (concentration set at 0.1 percent), and (c).

(ii) *Hazard communication program.* Requirements as specified in § 721.72 (b)(2), (d), (e) (concentration set at 0.1 percent), (f), (g)(1)(iv) (and blood effects), (g)(1)(vii), (g)(2)(iv), (g)(2)(v), (g)(4)(iii), and (g)(5). The provisions of § 721.72(d) requiring employees to be provided with information on the location and availability of a written hazard communication program and SDSs do not apply when the written program and SDS are not required under § 721.72 (a) and (c), respectively. The provision of § 721.72(g) requiring placement of specific information on an SDS does not apply when an SDS is not required under § 721.72(c).

(iii) *Industrial, commercial, and consumer activities.* Requirements as specified in § 721.80 (f) and (l).

(iv) *Release to water.* Requirements as specified in § 721.90 (b)(1) and (c)(1).

(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), (e), (f), (g), (h), and (k).

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

[55 FR 46773, Nov. 6, 1990. Redesignated at 58 FR 29946, May 24, 1993, as amended at 58 FR 34204, June 23, 1993]