ACS Reagent Ninhydrin for Chromatography from Mexico
American Chemical Society (ACS) reagent grade Ninhydrin meeting stringent purity standards for thin-layer chromatography (TLC) amino acid visualization. Classified specifically under HTS 2914.40.2000 as the pure aromatic compound. Supplied with full traceability documentation.
Duty Rate — Mexico → United States
15.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• ACS grade requires NIST-traceable certificates; ensure batch COA included in shipment
• Light-sensitive—declare special packaging to prevent degradation during ocean transit
• Laboratory end-use certification prevents pharmaceutical duty rate application