2931.90.90.30/Lewisite 1 Technical Grade/Japan

Lewisite 1 Technical Grade from Japan

Technical grade 2-Chlorovinyldichloroarsine (Lewisite 1) is a synthetic organo-inorganic compound used in chemical research, classified under HTS 2931.90.90.30. The arsenic-carbon bond and chlorine substitutions qualify it as an 'other' organo-inorganic compound per heading 2931 specifications.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

Calculate with your customs value Verify classification with AI

Import Tips

• Declare as Schedule 1 chemical under Chemical Weapons Convention; use DOT-approved containers

• Pitfall: Failing to provide SDS can trigger EPA scrutiny; pair with end-use certificates for clearance