Skip to Content
Merck

Key Documents

View All Documentation

171468

Perfluorooctanoic acid

95%

Synonym(s):

Pentadecafluorooctanoic acid, PFOA, Perfluorocaprylic acid, Perfluorooctanoic acid

Sign In to View Organizational & Contract Pricing.

Select a Size

Change View

About This Item

Linear Formula:
CF3(CF2)6COOH
CAS Number:
335-67-1
Molecular Weight:
414.07
UNSPSC Code:
12352211
NACRES:
NA.22
PubChem Substance ID:
24850346
EC Number:
206-397-9
Beilstein/REAXYS Number:
1809678
MDL number:
MFCD00004174
Assay:
95%
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

Quality Segment

100

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

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

signalword

Danger

target_organs

Liver

Storage Class

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

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

Hazard Classifications

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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

335-67-1

CAS No.

335-67-1

CAS No.

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library