Industrial DMMP Chemical Intermediate from Mexico
Dimethyl methylphosphonate in industrial bulk packaging is used as a phosphorylating agent in pharmaceutical synthesis and pesticides, precisely matching HTS 2931.41.00.00 for non-halogenated organo-phosphorus compounds. Its role as a building block ensures classification as a separate chemically defined compound.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Declare exact CAS number (756-79-6) on entry docs; obtain TSCA pre-manufacture notice if new use; watch for anti-dumping duties from certain origins like China