Perfluorononanoic acid

Perfluorononanoic acid
Names
	IUPAC name Heptadecafluorononanoic acid
	Other names perfluoro-n-nonanoic acid, PFNA, perfluorononanoate, C9 PFCA
Identifiers
CAS Number	375-95-1 ;
3D model (JSmol)	Interactive image;
Beilstein Reference	1897287
ChEBI	CHEBI:38397 ;
ChEMBL	ChEMBL426404;
ChemSpider	61138 ;
ECHA InfoCard	100.006.184
EC Number	206-801-3;
Gmelin Reference	317302
PubChem CID	67821;
UNII	5830Z6S63M ;
CompTox Dashboard (EPA)	DTXSID8031863 ;
	InChI InChI=1S/C9HF17O2/c10-2(11,1(27)28)3(12,13)4(14,15)5(16,17)6(18,19)7(20,21)8(22,23)9(24,25)26/h(H,27,28) Key: UZUFPBIDKMEQEQ-UHFFFAOYSA-N ;
	SMILES OC(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F;
Properties
Chemical formula	C9HF17O2
Molar mass	464.08 g/mol
Appearance	white crystalline powder
Melting point	59 to 62 °C (138 to 144 °F; 332 to 335 K)
Boiling point	218 °C (424 °F; 491 K)
Solubility in water	9.5 g/L
Solubility in other solvents	polar organic solvents
Acidity (pKa)	~0
Hazards
	Occupational safety and health (OHS/OSH):
Main hazards	Strong acid and suspected carcinogen
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H302, H318, H332, H351, H360, H362, H372
Precautionary statements	P201, P202, P260, P261, P263, P264, P270, P271, P280, P281, P301+P312, P304+P312, P304+P340, P305+P351+P338, P308+P313, P310, P312, P314, P330, P405, P501
Related compounds
Related compounds	Trifluoroacetic acid (TFA), Perfluorooctanoic acid (PFOA), Perfluorooctanesulfonic acid (PFOS)
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Perfluorononanoic acid, or PFNA, is a synthetic perfluorinated carboxylic acid and fluorosurfactant that is also an environmental contaminant found in people and wildlife along with PFOS and PFOA.

^ "Safety (MSDS) data for perfluorononanoic acid". PTCL Safety web site. Archived from the original on 1 April 2009. Retrieved 11 January 2009.
^ Goss KU (July 2008). "The pKa values of PFOA and other highly fluorinated carboxylic acids". Environ. Sci. Technol. 42 (2): 456–458. Bibcode:2008EnST...42..456G. doi:10.1021/es702192c. PMID 18284146.
^ Rayne S, Forest K (June 2010). "Theoretical studies on the pKa values of perfluoroalkyl carboxylic acids". J. Mol. Struct. (Theochem). 949 (1–3): 60–69. doi:10.1016/j.theochem.2010.03.003.
^ "Perfluorononanoic acid 97%". Sigma-Aldrich. Retrieved 11 January 2009.
^ "Perfluorononanoic acid". ChemicalBook. Archived from the original on 13 June 2018. Retrieved 11 January 2009.

[1] "Safety (MSDS) data for perfluorononanoic acid". PTCL Safety web site. Archived from the original on 1 April 2009. Retrieved 11 January 2009.

[Goss2008-2] Goss KU (July 2008). "The pKa values of PFOA and other highly fluorinated carboxylic acids". Environ. Sci. Technol. 42 (2): 456–458. Bibcode:2008EnST...42..456G. doi:10.1021/es702192c. PMID 18284146.

[Rayne2010-3] Rayne S, Forest K (June 2010). "Theoretical studies on the pKa values of perfluoroalkyl carboxylic acids". J. Mol. Struct. (Theochem). 949 (1–3): 60–69. doi:10.1016/j.theochem.2010.03.003.

[4] "Perfluorononanoic acid 97%". Sigma-Aldrich. Retrieved 11 January 2009.

[5] "Perfluorononanoic acid". ChemicalBook. Archived from the original on 13 June 2018. Retrieved 11 January 2009.

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