3912.31.00/Carboxymethylcellulose Calcium Salt/Japan

Carboxymethylcellulose Calcium Salt from Japan

Calcium salt of carboxymethylcellulose used in low-sodium formulations and as a suspending agent. Falls squarely under HTS 3912.31.00 as a carboxymethylcellulose salt in primary powder form.

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

• Specify metal salt type in entry docs; ensure heavy metal limits <10ppm for food use; use ISBT packaging standards for pharma imports