2930.90.92.51/Bis(2-chloroethyl) Sulfide/Japan

Bis(2-chloroethyl) Sulfide from Japan

Bis(2-chloroethyl) sulfide, known as mustard gas precursor, is a toxic organo-sulfur compound with military history. Strictly controlled under HTS 2930.90.92.51 as other organo-sulfur. Used legitimately in pharmaceutical synthesis under license.

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

• Requires BIS export license and DEA end-user verification

• Triple containment with vapor monitoring mandatory

• Schedule 1 chemical; extensive documentation for legitimate research only