Perfluorohexanoic acid

Chemical Name	Perfluorohexanoic acid
Synonym(s)	Hexanoic acid, 2,2,3,3,4,4,5,5,6,6,6-undecafluoro- \| Hexanoic acid, perfluoro- \| Hexanoic acid, undecafluoro- \| PFHxA \| Perfluoro-n-hexanoic acid \| Perfluorocaproic acid \| Perfluorohexanoic acid \| Undecafluoro-1-hexanoic acid \| Undecafluorohexanoic acid
CASRN	307-24-4
De minimis Limit %	* The de minimis exemption is not available for this chemical
M,P/OU Threshold (lb)	100/100
Listing Type	Individually listed chemical
Effective Date	01-JAN-24
Chemical Qualifier	No
Isomer	No
Metal	No
Chemical of Special Concern	Yes
Per- or Polyfluoroalkyl Substance	Yes

Rulemaking Changes Affecting This Chemical

Status	Effective Reporting Year	FR Proposed Rule	FR Final Rule
Added	2024	No proposed rule for this action	89 FR 43331 (06/17/2024)

Structural image
Structural representation of Perfluorohexanoic acid