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1,4-Butanediol from Canada

1,4-Butanediol (BDO) is an acyclic diol used primarily in polyurethane and spandex production, falling under HTS 2905.39.90.00 as a straight-chain diol other than the principal named diols. Its two terminal hydroxyl groups define its acyclic alcohol classification.

Duty Rate — Canada → United States

15.5%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada

Import Tips

Include COA verifying >99% purity to distinguish from polymer-grade mixtures classifiable elsewhere

Declare exact stabilizer content (<1% typical) to meet Chapter 29 note (f) allowance

Avoid retail packaging that could trigger Chapter 38 prepared chemical classification