USP-Grade Paraformaldehyde for Tissue Fixation from Japan
USP-grade paraformaldehyde meets pharmaceutical standards for histological tissue fixation in pathology labs and research institutions. This 95% pure cyclic formaldehyde polymer falls under HTS 2912.60.00.00 per Chapter 29 aldehyde classification, distinguished from formaldehyde solutions by its solid polymerized structure. Biocompatibility certification ensures suitability for biological applications.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include USP/NF certificate of analysis verifying pharmaceutical grade purity and endotoxin limits
• Label shipments 'FOR LABORATORY USE ONLY' to avoid FDA drug classification scrutiny
• Comply with 49 CFR 173.243 packaging for formaldehyde polymers transported as dangerous goods