2921.59.80/p,p'-Diaminostilbene/Germany

p,p'-Diaminostilbene from Germany

p,p'-Diaminostilbene is an aromatic polyamine featuring a stilbene backbone, used in optical brighteners. As a derivative not covered by prior 2921.59 subheadings, it is classified in HTS 2921.59.80 under the last applicable amine-function heading.

Duty Rate — Germany → United States

6.5%

Rate breakdown

9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
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Import Tips

• UV spectral data confirms stilbene chromophore distinguishing from simple diphenylamines

• Check fluorescent properties; may trigger 3204 reclassification if brightener-formulated

• Documentation must emphasize chemical intermediate status over end-use

p,p'-Diaminostilbene from Germany — Import Duty Rate | HTS 2921.59.80