Sodium Formaldehyde Sulfoxylate Dihydrate Powder from China
> Sodium Formaldehyde Sulfoxylate Dihydrate Powder is a white crystalline powder with the chemical formula NaHSO2·CH2O·2H2O, used as a reducing agent in textile dyeing and bleaching. As a hydrate of a sodium sulphoxylate, it is a separate chemically defined compound under Chapter 28 Note 1(a). It falls under tariff item 2831.10.00.
Duty Rate — China → Canada
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Import Tips
• > Confirm the water of crystallization is part of the chemical structure, not added moisture, to maintain classification
• Provide the CAS number for sodium formaldehyde sulfoxylate dihydrate
• Check if the product is subject to Canadian environmental regulations under the Canadian Environmental Protection Act