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2919.90.50/Ethyl Acid Phosphate (EAP)/Canada

Ethyl Acid Phosphate (EAP) from Canada

Ethyl acid phosphate is a monoester used in rust inhibitors and catalysts. HTS 2919.90.50 includes it as 'other' phosphoric ester, covering partial esters and lactophosphates. The acidic P-OH group characterizes it within the heading.

Duty Rate — Canada → United States

13.7%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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Import Tips

• Specify acid value and mono/di ester ratio; pH testing prevents salt misclassification

• Corrosive UN 3265 labeling required; avoid Chapter 28 inorganic acid error

• For metalworking fluids, declare ester content > principal component

Ethyl Acid Phosphate (EAP) from Canada — Import Duty Rate | HTS 2919.90.50