Perfluoro-n-nonanoic acid

Agent Name
Perfluoro-n-nonanoic acid
CAS Number
375-95-1
Formula
C9-H-F17-O2
Major Category
Other Classes
Perfluoro-n-nonanoic acid formula graphical representation
Synonyms
Nonanoic acid, 2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,9-heptadecafluoro-; Nonanoic acid, heptadecafluoro-; Perfluorononan-1-oic acid; [ChemIDplus] PFNA; [HSDB] 2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,9-Heptadecafluorononanoic acid; [ECHA - Proposal for Harmonised Classification and Labelling] Heptadecafluorononanoic acid; Perfluorononanoic acid; [Sigma-Aldrich MSDS]
Category
Perfluoroalkyl Acids
Description
Beige crystalline solid; [Sigma-Aldrich MSDS]
Sources/Uses
Used as a surfactant; [HSDB] Used mainly as a processing aid in the manufacture of fluoropolymers; Also as a lubricating oil additive, surfactant for fire extinguishers, cleaning agent, textile finishing agent, polishing surfactant, and in liquid crystal display panels; [ExPub: ECHA - Proposal for Harmonised Classification and Labelling]
Comments
Causes changes in spleen, inflammation, changes in blood serum composition, androgenic and estrogenic effects, and effects on enzymes in acute oral studies of rats; [RTECS] A skin and strong eye irritant; [Sigma-Aldrich MSDS] "Serum PFAS concentrations were not associated with increased cardiometabolic risk measures in this population of firefighters." [PMID 33105404] See "Perfluorodecanoic acid." See "Perfluorooctane sulfonic acid."
Biomedical References

Exposure Assessment

Vapor Pressure
0.083 mm Hg

Diseases, Processes, and Activities Linked to This Agent

Processes

Industrial Processes with risk of exposure: