2931.90.90.52/Methyltriphenylphosphonium Bromide/Germany

Methyltriphenylphosphonium Bromide from Germany

Methyltriphenylphosphonium bromide is a phosphonium salt used in Wittig reagent preparation for olefin synthesis. Classified under 2931.90.90.52 as an organo-inorganic compound per Chapter 29 note (C)(1) for organic salts.

Duty Rate — Germany → United States

3.7%

Rate breakdown

9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
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Import Tips

• Hygroscopic; specify anhydrous grade and include retest date on labeling

• Phosphorus compounds monitored under Chemical Weapons Convention; declare quantities

• Confirm quaternary phosphonium structure to avoid organic phosphorus misclassification

Methyltriphenylphosphonium Bromide from Germany — Import Duty Rate | HTS 2931.90.90.52