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171468

Sigma-Aldrich

Perfluorooctanoic acid

95%

Synonym(s):

Pentadecafluorooctanoic acid, PFOA, Perfluorocaprylic acid, Perfluorooctanoic acid

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About This Item

Linear Formula:
CF3(CF2)6COOH
CAS Number:
335-67-1
Molecular Weight:
414.07
Beilstein:
1809678
EC Number:
206-397-9
MDL number:
MFCD00004174
UNSPSC Code:
12352211
PubChem Substance ID:
24850346
NACRES:
NA.22

Assay

95%

bp

189 °C/736 mmHg (lit.)

mp

55-56 °C (lit.)

SMILES string

OC(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F

InChI

1S/C8HF15O2/c9-2(10,1(24)25)3(11,12)4(13,14)5(15,16)6(17,18)7(19,20)8(21,22)23/h(H,24,25)

InChI key

SNGREZUHAYWORS-UHFFFAOYSA-N

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Application

PFOA, its salts and related substances are listed in Part A of Annex I of the Persistent Organic Pollutants (POPs) Regulation (EU) 2019/1021. It can only be used for Laboratory-scale research or as a reference standard

Derogations until 4 July 2025 are uses in
  • photolithography or etch processes in semiconductor manufacturing
  • photographic coatings applied to films
  • invasive and implantable medical devices
The use is further allowed in firefighting foams for Class B fires until 4 July 2025

Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Carc. 2 - Eye Dam. 1 - Lact. - Repr. 1B - Skin Corr. 1C - STOT RE 1

Target Organs

Liver

Storage Class Code

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 3

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Polyfluorinated compounds: past, present, and future
AB Lindstrom, et al.
Environmental Science & Technology, 45, 7954-7961 (2011)
Lilan Zhang et al.
Environmental pollution (Barking, Essex : 1987), 229, 159-167 (2017-06-09)
With the phaseout of perfluorooctane sulfonate (PFOS) production in most countries and its well known recalcitrance, there is a need to quantify the potential release of PFOS from precursors previously or currently being emitted into the environment. Aerobic biodegradation of
Perfluoroalkyl acids: a review of monitoring and toxicological findings
C Lau, et al.
Toxicological Sciences, 99, 366-394 (2007)
Effects of perfluorooctanoic acid exposure during pregnancy in the mouse.
Lau C, et al.
Toxicological Sciences, 90(2), 510-518 (2006)
Binding of perfluorooctanoic acid to rat and human plasma proteins.
Han X, et al.
Chemical Research in Toxicology, 16(6), 775-781 (2003)
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