Industrial Grade Tetramethylguanidine from Germany
Tetramethylguanidine in industrial grade (95-98% purity) for use as catalyst in polymerization reactions, under HTS 2925.29.70.00. Qualifies as chemically defined organic imine per Chapter 29 scope, with minor impurities allowed. Key in polyurethane production.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Label with exact impurity profile to comply with 'whether or not containing impurities' provision
• Ship in UN-approved drums; declare as corrosive liquid UN3267
• Confirm no anti-dusting agents rendering it specific-use per note (g)