Diethyl Ethylphosphonate from Mexico
Diethyl ethylphosphonate (DEEP) is a non-halogenated organo-phosphorus compound used primarily as a chemical intermediate in organic synthesis and flame retardant production. It falls under HTS 2931.43.00.00 as it is specifically named as a separate chemically defined organo-inorganic compound containing phosphorus directly linked to carbon. This colorless liquid is essential in manufacturing pesticides and plasticizers.
Duty Rate — Mexico → United States
Rate breakdown
Import Tips
• Provide detailed chemical analysis certificates confirming purity and structure to verify classification under 2931.43 as a specific organo-phosphorus compound
• Include Safety Data Sheets (SDS) and ensure proper UN packaging for flammable liquids (Class 3) to comply with DOT and customs requirements
• Avoid misclassification as pesticide preparations (3808) by importing as pure compound, not formulated product