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Tabun Intermediate GF-13

Research-grade analog of tabun nerve agent intermediate, specifically methyl-bis(diethylamino)methylene)phosphonamidofluoridate used in toxicology studies. Falls under HTS 2931.59.00.35 due to precise chemical identification as halogenated organo-phosphorus derivative. Strict regulatory controls apply for legitimate research purposes only.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China3.7%+12.5%16.2%
🇲🇽Mexico3.7%+10.0%13.7%
🇨🇦Canada3.7%+10.0%13.7%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+12.5%12.5%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

2931.59.00Same rate: 16.2%

If dimethyl analog rather than specified methyl-bis(diethylamino) structure

Other named phosphonamidofluoridates; specific naming determines subheading placement.

Not sure which classification is right?

The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.

Import Tips & Compliance

• Obtain BIS (Bureau of Industry & Security) license for 'chemical weapons precursors' even for research quantities

• Include DEA Form 236 for Schedule 2 chemicals and notify local first responders per EPCRA requirements