Sodium Formaldehyde Sulfoxylate 99% Pure Crystals from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 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