Diisononyl phthalates (DINP)

Chemical NameDiisononyl phthalates (DINP)
Category IDN125
Category DescriptionThis category includes branched alkyl di-esters of 1,2- benzenedicarboxylic acid in which alkyl ester moieties contain a total of nine carbons. This category includes but is not limited to the chemicals covered by the CAS numbers and names listed below.
CASRN Chemical Name
111983-10-9 Bis(3-ethylheptan-2-yl) benzene-1,2- dicarboxylate
20548-62-3 Bis(7-methyloctyl) phthalate
14103-61-8 Bis(3,5,5-trimethylhexyl) phthalate
71549-78-5 Branched dinonyl phthalate
68515-48-0 Di(C8–10, C9 rich) branched alkyl phthalates
28553-12-0 Diisononyl phthalate
De minimis Limit %1
M,P/OU Threshold (lb)25,000/10,000
Listing TypeChemical category
Effective Date01-JAN-24
Chemical QualifierNo
IsomerNo
MetalNo
Chemical of Special ConcernNo
Per- or Polyfluoroalkyl SubstanceNo

Rulemaking Changes Affecting This Chemical

StatusEffective Reporting YearFR Proposed RuleFR Final Rule
Added202487 FR 48128 (8/8/2022)88 FR 45089 (7/14/2023)

Default Percentages for Section 6.1 Transfers

% of §6.1 to §:
8.1c8.1d8.7
76420