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HS 2923 — Quaternary ammonium salts and hydroxides

HS heading 2923 (Quaternary ammonium salts and hydroxides) spans 3 products in U.S. import records, with 4,702 bill-of-lading shipments. The most imported are Lecithins and other phosphoaminolipids, Quaternary ammonium salts and hydroxides, other, and Choline and its salts.

Part of Chapter 29: Organic chemicals

Sourced from U.S. Customs bill of lading data · Updated monthly · Data through August 2026Cite as: ImportDoor, U.S. Customs bill of lading data (data through August 2026), https://www.importdoor.com/products/heading/2923

Products under this heading

HSProductShipments
292320Lecithins and other phosphoaminolipids1,704
292390Quaternary ammonium salts and hydroxides, other1,604
292310Choline and its salts1,394

Frequently asked questions about HS 2923

What is HS code 2923?

HS 2923 covers quaternary ammonium salts and hydroxides. It is a 4-digit heading in chapter 29 (Organic chemicals) of the Harmonized System, with 3 six-digit subheadings that appear in U.S. import records.

How many U.S. import shipments fall under HS 2923?

ImportDoor has 4,702 U.S. Customs bill-of-lading shipment records under HS heading 2923, updated monthly.

What is the most imported product under HS 2923?

Lecithins and other phosphoaminolipids (HS 292320) leads with 1,704 shipments, followed by Quaternary ammonium salts and hydroxides (HS 292390) and Choline and its salts (HS 292310).

HS Code 2923: Quaternary ammonium salts and hydroxides | US Import Data