CAS 137-30-4 1,8-Naphthalenediamine Powder from Germany
Pure powdered 1,8-naphthalenediamine (CAS 137-30-4) is an aromatic polyamine essential for synthesizing azo dyes and rubber antioxidants. It matches HTS 2921.59.04.00 as the explicitly named compound in the tariff schedule.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include NMR or HPLC analysis reports for purity verification; use nitrogen-flushed packaging to prevent oxidation; check for DOT hazardous classification