2931.90.90.52/Dibutyltin Dilaurate Catalyst/Japan

Dibutyltin Dilaurate Catalyst from Japan

Dibutyltin dilaurate (DBTDL) is an organotin catalyst for silicone and polyurethane curing. 2931.90.90.52 as organo-inorganic ester of carboxylic acid per Chapter 29 note 5(A).

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

• REACH Candidate SVHC; provide safe use instructions and exposure scenarios

• Toxicity Category II; child-resistant packaging for >10L containers

• Tin content analysis required for RoHS compliance