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2835.39.10.00/Potassium Graham's Salt (Metaphosphate)/Japan

Potassium Graham's Salt (Metaphosphate) from Japan

Potassium Graham's salt, a vitreous potassium metaphosphate, used as a water softener in dishwashing detergents. Falls under HTS 2835.39.10.00 as other polyphosphates of potassium. Vitreous form provides long-chain phosphate structure.

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

• Historical name 'Graham's salt' requires chemical synonym on invoice

• Test for vitreous vs soluble form affecting end-use declaration

• Monitor EU phosphate discharge regulations impacting market access

Potassium Graham's Salt (Metaphosphate) from Japan — Import Duty Rate | HTS 2835.39.10.00