Sodium Formaldehyde Sulfoxylate 99% Pure Crystals from Mexico
High-purity 99% crystalline sodium formaldehyde sulfoxylate used in chemical synthesis and as a bleaching assistant in paper manufacturing. It is explicitly covered by HTS 2831.10.1000 as sodium formaldehyde sulfoxylate, a sulfoxylate of sodium per Chapter 28 provisions. The compound's role as an organic-stabilized reducing agent confirms its placement.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Include detailed chemical formula (CH3NaO4S·2H2O) and CAS number (149-28-0) on shipping docs for verification
• Watch for moisture content affecting stability; declare properly to avoid 'preparation' misclassification