Commercial Ammonium Carbonate Baking Powder from Japan
A leavening agent used in baking cookies, biscuits, and crackers, consisting primarily of ammonium carbonate and ammonium carbamate. It falls under HTS 2836.99.30.00 as commercial ammonium carbonate containing ammonium carbamate, distinct from pure chemical compounds. Upon heating, it releases ammonia, carbon dioxide, and water to create a light texture.
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%
Import Tips
• Verify product purity and composition via lab analysis to confirm it meets 'commercial ammonium carbonate' criteria with ammonium carbamate content
• Include safety data sheets (SDS) and end-use declarations to avoid misclassification as pharmaceuticals or industrial chemicals
• Watch for moisture content issues during shipping, as it can lead to ammonia gas release and customs holds