Ammonium Bromate from Japan

Ammonium bromate (NH4BrO3) is an unstable oxidizer used in analytical chemistry and water treatment formulations. Under HTS 2829.90.61.00 as 'other' bromates, it qualifies per Chapter 28 note on ammonium salts. Stabilized forms prevent decomposition during storage.

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%

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Import Tips

• Include thermal stability data; ammonium salts require temperature-controlled shipping

• Declare under UN 2465; segregate from flammables per IMDG Code

• Avoid classifying with fertilizers (3102); purity >95% keeps it in Chapter 28