2903.89.70/2,2,3,3-Tetrachlorocyclobutanone/Japan

2,2,3,3-Tetrachlorocyclobutanone from Japan

Despite ketone functionality, 2,2,3,3-tetrachlorocyclobutanone classifies primarily by halogenation under HTS 2903.89.70. The cyclobutane ring with geminal dichlorides defines it as halogenated cyclanic derivative. Chapter notes prioritize halogenation over minor oxygen functions.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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Import Tips

• Include carbonyl stretch IR data to document oxygen function without reclassification

• Store below 0°C to prevent ring expansion rearrangement

• Label as Eye Irritant Category 2A per GHS standards