Industrial DMMP Chemical Intermediate from Japan
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 — 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
• 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