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, P263, P264, P270, P271, P280, P281, P301+P312, P304+P312, P304+P340, P305+P351+P338, P308+P313, P310, P312, P314, P330, P405, P501 Preview warning: Omit Rules: keep P260, omit P261
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 that is also a persistent organic pollutant. As the name implies it is the perfluorinated analogue of nonanoic acid and is classified as a PFAS. It is used as a fluorosurfactant.