Chemical Detail

Chemical Name2,3,7,8-Tetrachlorodibenzofuran
Synonym(s)2,3,7,8-TCDF | Dibenzofuran, 2,3,7,8-tetrachloro- | F 83 | PCDF 83 | TCDF
CASRN51207-31-9
Category MemberN150: Dioxin and dioxin-like compounds
De minimis Limit %*
The de minimis exemption is not available for this chemical
De minimis NotesThe de minimis exemption is not available for this chemical
M,P/OU Threshould (lb)0.1 gram/0.1 gram
Listing TypeChemical category member
Effective Date2000-01-01
Chemical QualifierNo
MetalNo
Chemical of Special ConcernYes
Per- or Polyfluoroalkyl SubstanceNo
Structural image
Structural representation of 2,3,7,8-Tetrachlorodibenzofuran

Rulemaking Changes Affecting This Chemical

StatusEffective Reporting YearFR Proposed RuleFR Final Rule
Added to category200062 FR 24887 (5/7/1997)64 FR 58666 (10/29/1999)