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2903.89.40.00/α-HBCD Isomer (Alpha-Hexabromocyclododecane)/Mexico

α-HBCD Isomer (Alpha-Hexabromocyclododecane) from Mexico

The alpha stereoisomer of 1,3,5,7,9,11-hexabromocyclododecane is a specific chemically defined organic compound under HTS 2903.89.40.00. As a halogenated derivative of cyclododecane, it qualifies per chapter notes for separate isomers of organic compounds. Used primarily as a research chemical and flame retardant intermediate.

Duty Rate — Mexico → United States

13.7%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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Import Tips

• Provide HPLC chromatograms showing ≥90% alpha-isomer purity to distinguish from technical mixtures

• Include safety data sheets noting low bioaccumulation factor specific to alpha-HBCD for regulatory review

• Ensure labeling specifies stereochemistry as chapter notes cover isomer mixtures but purity affects end-use declarations

α-HBCD Isomer (Alpha-Hexabromocyclododecane) from Mexico — Import Duty Rate | HTS 2903.89.40.00