Diethyl N,N-Dimethylphosphoramidate

Diethyl N,N-Dimethylphosphoramidate, Category 1B chemical weapons precursor

HSN 2929 90 21 (Diethyl N,N-Dimethylphosphoramidate) is governed by the Directorate General of Foreign Trade (DGFT) import policy under which this substance is designated a Category 1B chemical under Appendix II to Schedule 1 of the Import Policy, restricting sourcing exclusively to State Parties to the Chemical Weapons Convention. Central Board of Indirect Taxes and Customs (CBIC) mandatory Chapter 29 qualifiers and Public Liability Insurance Act, 1991 obligations apply as additional compliance requirements.

1. 1
   Verify that the exporting country is a State Party to the Chemical Weapons Convention before placing the purchase order. Import of Diethyl N,N-Dimethylphosphoramidate from a non-State Party is prohibited under Appendix II to Schedule 1 of the ITC (HS) Import Policy regardless of the import being otherwise Free per DGFT Notification 44/2025-26 dated 15-10-2025.
   DGFT Notification 44/2025-26 dated 15-10-2025 · Appendix II to Schedule 1 of the ITC (HS) Import Policy (Category 1B)
2. 2
   Within 30 days of each import, notify consignment details to the National Authority Chemical Weapons Convention, Cabinet Secretariat, Ministry of External Affairs (D&ISA), the Department of Chemicals and Petrochemicals, and DGFT, and submit a copy of the bill of entry to DGFT within the same 30-day window.
   Appendix II to Schedule 1 of the ITC (HS) Import Policy (Category 1B post-import notification obligation)
3. 3
   Ensure mandatory additional qualifiers are declared in the import declaration for Chapter 29 commodities as stipulated in Paragraphs 4.1 and 4.2 of CBIC Circular 23/2023-Cus dated 30-09-2023, with effect from 15-10-2023. Where import quantity exceeds the threshold for specified hazardous substances, obtain a Public Liability Insurance policy under S.O. 227(E) dated 24-03-1992.
   CBIC Circular 23/2023-Cus dated 30-09-2023 · S.O. 227(E) dated 24-03-1992 (MoEF)