Synthetic Orpiment Pigment (Arsenic Trisulfide) from Japan

Synthetic orpiment, chemically pure arsenic trisulfide (As2S3), used as a yellow pigment in artist's oils and restoration work. Falls under HTS 2813.90.10.00 as a chemically defined sulfide of arsenic, not qualifying as a color lake or preparation under Chapter 32 exclusions. Historically mimicked natural orpiment mineral.

Duty Rate — Japan → United States

0%

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

Import Tips

Provide certificates of analysis confirming >99% As2S3 purity to prevent misclassification as a mixture

Include Proposition 65 warnings for California imports due to arsenic carcinogenicity

Ship in inert atmosphere packaging to prevent oxidation; common error is inadequate stabilization leading to duty disputes