Oleic Naphthenic Acid Esters
Esters formed from naphthenic acids and oleic alcohol used as emulsifiers in metalworking fluids. Meets HTS 3824.99.75 as naphthenic acid esters for industrial chemical applications. Provides both solvency and emulsification properties.
Import Duty Rates by Country of Origin
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If industrial fatty acid derivatives
Fatty acid-based preparations have specific Chapter 38 provisions.
If purified unsaturated acyclic monocarboxylic esters
Higher purity esters meeting organic chemical definitions classify in Chapter 29.
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Import Tips & Compliance
• NMR spectroscopy confirmation of naphthenic ester structure recommended
• Biodegradability testing may be required for wastewater discharge permits
• Distinguish from simple fatty acid esters through origin certification
Related Products under HTS 3824.99.75
Copper Naphthenate Wood Preservative
Copper naphthenate is a water-insoluble salt of naphthenic acids used as a fungicide and insecticide for pressure-treated wood products like decks and fences. It falls under HTS 3824.99.75 as it is specifically a water-insoluble salt of naphthenic acids prepared for industrial preservative applications. This classification covers such metallic naphthenates not elsewhere specified in Chapter 38.
Zinc Naphthenate Anti-Corrosion Primer
Zinc naphthenate, a water-insoluble zinc salt of naphthenic acids, serves as a rust-inhibiting primer for metal surfaces in marine and industrial applications. Classified under HTS 3824.99.75 due to its primary composition as naphthenic acid salts meeting the water-insoluble criterion. It is used in protective coatings rather than as a finished paint.
Naphthenic Acid Methyl Esters
Methyl esters of naphthenic acids are used as synthetic lubricants and plasticizers in industrial formulations. This product qualifies for HTS 3824.99.75 as it consists of esters derived from naphthenic acids, not elsewhere specified. They provide solvency properties in oil-based mixtures.
Barium Naphthenate Paint Drier
Barium naphthenate acts as a drier catalyst in alkyd paint formulations, accelerating oxidation and drying of oil-based coatings. It is imported as a water-insoluble naphthenic salt under HTS 3824.99.75 for use in the chemical/paint industry. This excludes finished paints classified elsewhere.
Cobalt Naphthenate Catalyst
Cobalt naphthenate serves as a polymerization catalyst in polyester resin production and as a paint drier. As a water-insoluble salt of naphthenic acids, it precisely matches HTS 3824.99.75 classification for industrial chemical preparations. Concentration typically 6-10% cobalt metal content.
Lead Naphthenate Industrial Lubricant
Lead naphthenate provides extreme pressure lubrication properties in metalworking fluids and gear oils. This water-insoluble lead salt of naphthenic acids imports under HTS 3824.99.75 as an industrial chemical preparation. Restricted use due to lead toxicity regulations.