Technical Grade Rochelle Salt Powder from Mexico
Industrial-grade potassium sodium tartrate (min 98% purity) for electroplating baths and metal cleaning applications. HTS 2918.13.3000 specifically names this compound as a tartaric acid salt, qualifying under Chapter 29 for separate chemically defined organic compounds.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Specify intended use in commercial invoice (e.g
• 'For electroplating only') to prevent food/pharma reclassification
• Test for chloride content (<50 ppm) required for metal finishing applications; document results
• Use anti-caking stabilized packaging per Chapter 29 note (f) to maintain free-flowing powder