Sodium Perfluorooctanoate
Sodium perfluorooctanoate (C7F15COONa) is the sodium salt form of PFOA, classified under HTS 2915.90.18.10 per Chapter Note 5(C)(1) which directs organic salts to the heading of the parent acid. Used in surfactant applications and chemical synthesis.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the sodium salt has different chain length or partial fluorination
Only specifically named perfluorooctanoate salts fall in 2915.90.18.10; others go to the residual 'other acids' category.
If misclassified as primarily an inorganic sodium compound
Sodium salts of inorganic acids fall in Chapter 28, but organic acid salts remain in Chapter 29 per chapter notes.
If when diluted in water or solvents beyond Chapter 29 allowances
Solutions exceeding safety/transport concentration limits are classified as preparations in heading 3824.
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Import Tips & Compliance
• Submit detailed chemical composition data showing >95% purity as sodium perfluorooctanoate to prevent reclassification as mixtures
• Comply with REACH and TSCA pre-manufacture notifications due to PFOA restrictions in multiple jurisdictions
• Use UN-approved packaging for corrosive solids and include GHS labeling on all import documentation
Related Products under HTS 2915.90.18.10
Perfluorooctanoic Acid (PFOA)
Perfluorooctanoic acid (PFOA) is a synthetic perfluorinated carboxylic acid with the formula C7F15COOH, classified under HTS 2915.90.18.10 as a saturated acyclic monocarboxylic acid that is fully fluorinated. It is a chemically defined organic compound used primarily in industrial applications despite regulatory restrictions.
Ammonium Perfluorooctanoate
Ammonium perfluorooctanoate is the ammonium salt of perfluorooctanoic acid (C7F15COO⁻NH4⁺), explicitly covered under HTS 2915.90.18.10 as a salt of this specific perfluorinated carboxylic acid. It was historically used as a processing aid in fluoropolymer production like Teflon.
PFOA Potassium Salt
The potassium salt of perfluorooctanoic acid (C7F15COOK) qualifies under HTS 2915.90.18.10 as a salt of the named perfluorinated acid, following classification rules for organic salts. Applied in emulsifier formulations for specialty polymers.
PFOA Lithium Salt
Lithium perfluorooctanoate (C7F15COOLi), a metal salt of PFOA, is classified in HTS 2915.90.18.10 following the parent perfluorooctanoic acid classification rule from Chapter Note 5(C)(3). Used in advanced material synthesis.