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Perfluoroheptanoic acid

analytical standard

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Synonym(s):
Tridecafluoroheptanoic acid, PFAS, Perfluoroheptanoic acid
Linear Formula:
CF3(CF2)5CO2H
CAS Number:
375-85-9
Molecular Weight:
364.06
Beilstein:
1808210
MDL number:
MFCD00039604
UNSPSC Code:
12352106
NACRES:
NA.24

grade

analytical standard

Agency

suitable for ASTM® 7968
suitable for ASTM® 7979
suitable for DIN 38407-42
suitable for EPA 1633
suitable for EPA 533
suitable for EPA 537.1
suitable for EPA 8327
suitable for EPA ACB B21-02
suitable for EPA ACB B23-05b
suitable for EPA OTM-45
suitable for ISO 21675 2019

reg. compliance

suitable for FDA C-010.02

Assay

≥98.0% (GC)

shelf life

limited shelf life, expiry date on the label

refractive index

n20/D 1.306 (lit.)

bp

175 °C/742 mmHg (lit.)

density

1.792 g/mL at 25 °C (lit.)

storage temp.

2-8°C

SMILES string

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

InChI

1S/C7HF13O2/c8-2(9,1(21)22)3(10,11)4(12,13)5(14,15)6(16,17)7(18,19)20/h(H,21,22)

InChI key

ZWBAMYVPMDSJGQ-UHFFFAOYSA-N

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General description

Perfluoroheptanoic acid is a short-chain substance belonging to the class of Perfluorocarboxylic acids (PFCAs), a group of fully fluorinated hydrocarbons with a carboxylic acid group at the terminal end.

PFCAs have been used widely as wetting agents, lubricants, corrosion inhibitors, foam fire extinguishants, and in the manufacture of fluoropolymers due to their highly surface-active nature, chemical and thermal stabilities. Because of their widespread use and their persistence in the environment, many PFAS are found in the blood of people and animals all over the world and are present at low levels in a variety of food products and the environment. Animal testing has revealed a number of toxic effects caused by these compounds, particularly with regard to tumor growth and reproductive toxicity.

Perfluoroheptanoic acid is included in a variety of norms to be tested in soil, water, wastewater, sludge, food, and textiles/leather.
  • ASTMD7968-17a: Determination of Polyfluorinated Compounds in Soil
  • ASTMD7979-20: Determination of Per- and Polyfluoroalkyl Substances in Water, Sludge, Influent, Effluent, and Wastewater
  • EPA533, EPA 537.1: Determination of per and polyfluoroalkyl substances in drinking water
  • FDAC-010.01: Determination of 16 Perfluoroalkyl and Polyfluoroalkyl Substances in Food (matrices: lettuce, milk, fish)
  • ISO21675: Determination of perfluoroalkyl and polyfluoroalkyl substances in water(non-filtrated e.g. drinking water, natural water, wastewater containing less than 2 g/L solid particulate material
  • DINEN 23702: Determination of non-volatile extractable perfluorinated and polyfluorinated substances in leather and coated leather
  • DIN38407-42: Determination of selected polyfluorinated compounds in water
  • DIN 38414-14: Determination of selected polyfluorinated compounds in sludge, compost, and soil

Application

The analytical standard can be used for the following:
  • Decomposition of perfluorooctanoic acid (PFOA) under sonication-assisted photocatalysis using TiO2
  • To study the toxicokinetics between perfluoroheptanoic acid (PFHA), perfluorooctanoic acid (PFOA), perfluorononanoic acid (PFNA), and perfluorodecanoic acid (PFDA) in male and female rats
  • To assess the acute toxicity of perfluorohexanoic acid, perfluoroheptanoic acid, perfluorooctanoic acid, perfluorononanoic acid, and perfluorodecanoic acid using eukaryotic cell lines, bacteria, and enzymatic assays
  • Determination of 15 selected synthetic cannabinoids and their metabolites by micellar electrokinetic chromatography-mass spectrometry using perfluoroheptanoic acid-based micellar phase
  • To study the signal suppression in liquid chromatography-electrospray ionization mass spectrometry using volatile ion-pairing reagents like trifluoroacetic acid, heptafluorobutanoic acid, and perfluoroheptanoic acid

Legal Information

ASTM is a registered trademark of American Society for Testing and Materials

Pictograms

Health hazard
GHS08

Signal Word

Danger

Hazard Statements

H360D,H372

Hazard Classifications

Repr. 1B - STOT RE 1

Target Organs

Liver

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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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Kohtaro Ohmori et al.
Toxicology, 184(2-3), 135-140 (2002-12-25)
Toxicokinetics was compared between perfluoroheptanoic acid (PFHA), perfluorooctanoic acid (PFOA), perfluorononanoic acid (PFNA) and perfluorodecanoic acid (PFDA) in male and female rats. Half lives (t(1/2)) in male and female rats were calculated to be 0.10 and 0.05 days, respectively, for
S A Gustavsson et al.
Journal of chromatography. A, 937(1-2), 41-47 (2002-01-05)
Volatile ion-pairing reagents are useful due to their compatibility with liquid chromatography-electrospray ionization (ESI) mass spectrometry. In this study trifluoroacetic acid, heptafluorobutanoic acid and perfluoroheptanoic acid were used as ion-pairing reagents. The signal intensities of eight amine analytes were measured
Sri Chandana Panchangam et al.
Chemosphere, 75(5), 654-660 (2009-02-10)
Decomposition of perfluorinated chemicals is of significant interest in both scientific and industrial perspectives. Here, we report the decomposition of perfluorooctanoic acid (PFOA) under sonication-assisted photocatalysis by utilizing commercial TiO(2) (RdH) and home-made TiO(2) (sol-gel) as photocatalysts at ambient temperature
E Mulkiewicz et al.
Environmental toxicology and pharmacology, 23(3), 279-285 (2007-05-01)
The acute biological activity of a homologous series of perfluorinated carboxylic acids - perfluorohexanoic acid (PFHxA), perfluoroheptanoic acid (PFHpA), perfluorooctanoic acid (PFOA), perfluorononanoic acid (PFNA) and perfluorodecanoic acid (PFDA) - was studied. To analyze the potential risk of the perfluorinated
T Ohya et al.
Journal of chromatography. B, Biomedical sciences and applications, 720(1-2), 1-7 (1999-01-19)
This paper describes a method for the quantitative determination of perfluorinated carboxylic acids (PFCAs), perfluorohexanoic acid (C6-PFCA), perfluoroheptanoic acid (C7-PFCA), perfluorooctanoic acid (C8-PFCA), perfluorononanoic acid (C9-PFCA) and perfluorodecanoic acid (C10-PFCA), in biological samples. PFCA in liver homogenates was extracted as

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