Perfluorooctanoic acid

Agent Name
Perfluorooctanoic acid
CAS Number
335-67-1
Formula
C8-H-F15-O2
Major Category
Other Classes
Perfluorooctanoic acid formula graphical representation
Synonyms
PFOA; Pentadecafluoro-1-octanoic acid; Pentadecafluoro-n-octanoic acid; Pentadecafluorooctanoic acid; Perfluorocaprylic acid; Perfluoroctanoic acid; Perfluoroheptanecarboxylic acid; Octanoic acid, 2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-pentadecafluoro-; Octanoic acid, pentadecafluoro-; [ChemIDplus] UN3261
Category
Perfluoroalkyl Acids
Description
White solid with pungent odor; [ICSC] White or cream crystalline solid; [MSDSonline]
Sources/Uses
Used to produce fire-fighting applications, cosmetics, greases, lubricants, paints, polishes, and adhesives; [HSDB]
Comments
Danger of cutaneous absorption; [MAK] A skin, eye, and respiratory tract irritant; [ICSC] A corrosive substance that can cause injury to the skin, eyes, and respiratory tract; Inhalation may cause chemical pneumonitis; [MSDSonline] See "Perfluorobutyric acid." See "Perfluorooctane sulfonic acid. "Serum PFAS concentrations were not associated with increased cardiometabolic risk measures in this population of firefighters." [PMID 33105404]
Restricted
". . . major US manufacturers of AFFF [aqueous film-forming foam] indicated they would no longer produce PFOA-based fluorosurfactant foams after 2015." [PMID 31045850]
Biomedical References

Exposure Assessment

MAK
0.005 mg/m3, inhalable fraction
Vapor Pressure
0.15 mm Hg
Explanatory Notes
The Guide in the Emergency Response Guidebook is for "Corrosive solid, acidic, organic, n.o.s." MAK value applies to Perfluorooctanoic acid and its inorganic salts;

Adverse Effects

Toxic Pneumonitis
Yes
Dermatotoxin
Skin burns
IARC Carcinogen
Possible (2b)

Diseases, Processes, and Activities Linked to This Agent

Other Information
No other related information on this agent was found.