If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/418/501/product-dating-information-06-25-mk.pdf
171468
Perfluorooctanoic acid
95%
Synonym(s):
Pentadecafluorooctanoic acid, PFOA, Perfluorocaprylic acid, Perfluorooctanoic acid
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Product Name
Perfluorooctanoic acid, 95%
InChI key
SNGREZUHAYWORS-UHFFFAOYSA-N
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)
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
assay
95%
bp
189 °C/736 mmHg (lit.)
mp
55-56 °C (lit.)
Quality Level
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Related Categories
1 of 4
This Item | 77262 | 290904 | 33824 |
|---|---|---|---|
| assay 95% | assay ≥98.0% (NT) | assay 97% | assay - |
| Quality Level 100 | Quality Level 100 | Quality Level 100 | Quality Level 100 |
| mp 55-56 °C (lit.) | mp - | mp - | mp 55-56 °C (lit.) |
| bp 189 °C/736 mmHg (lit.) | bp - | bp 129-130 °C/744 mmHg (lit.) | bp 189 °C/736 mmHg (lit.) |
Application
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
signalword
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
6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
wgk
WGK 3
ppe
Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
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How can I determine the shelf life / expiration / retest date of this product?
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What are the recommendations for storing an aqueous solution of PFOA (container, temperature, etc.)?
1 answer-
The solution stability for this product in aqueous solutions has not been evaluated. Solutions prepared in methanol, such as product 33603, are stored refrigerated and assigned a shelf life of 2 years.
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How is shipping temperature determined? And how is it related to the product storage temperature?
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Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf
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What is the solubility of Heptadecafluorooctanesulfonic acid potassium salt product 77282 (CAS 2795-39-3)?
1 answer-
The solubility for 77282 has not been validated, but the product should be soluble in methanol and slightly soluble (miscible) in water (with heating and sonication).
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