Oxalic Acid Technical Grade
Technical grade oxalic acid dihydrate with 97-99% purity is used for industrial cleaning and metal treatment. Despite impurities, it remains a chemically defined organic compound per Chapter 29 Note 1(a), which allows for impurities, so it falls under tariff item 2917.11.00.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the product is a different acyclic polycarboxylic acid
Other acyclic polycarboxylic acids fall under the residual subheading.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• State the purity percentage on the commercial invoice to confirm it meets chemically defined standards
• Ensure impurities are incidental and do not render the product suitable for a specific use
• Provide a Certificate of Analysis to support the declared purity
Related Products under Tariff item 2917.11.00
Ammonium Oxalate
Ammonium oxalate, also known as diammonium oxalate, is a salt of oxalic acid used in textile dyeing and as an analytical reagent. As an inorganic salt of an organic acid, it is classified under tariff item 2917.11.00 per Chapter 29 Note 5(C)(1), which directs salts to the heading of the parent organic compound.
Calcium Oxalate
Calcium oxalate monohydrate is an insoluble white powder used in ceramics and as an analytical standard. As a salt of oxalic acid, it is classified under tariff item 2917.11.00 per Chapter 29 Note 5(C)(1), which keeps inorganic salts of organic acids with the parent acid heading.
Dibutyl Oxalate
Dibutyl oxalate is an ester of oxalic acid used as a plasticizer intermediate and solvent. Per Chapter 29 Note 5(A), esters of acid-function organic compounds are classified with the compound that occurs last in numerical order; since oxalic acid (2917) is the acid component, the ester falls under 2917.11.00.
Diethyl Oxalate
Diethyl oxalate is the ethyl ester of oxalic acid, used in pharmaceutical synthesis and dye manufacturing. As an ester of oxalic acid, it is classified under tariff item 2917.11.00 per Chapter 29 Note 5(A), which assigns esters to the heading of the acid component when it occurs last in numerical order.
Dimethyl Oxalate
Dimethyl oxalate is the dimethyl ester of oxalic acid, used as a solvent and chemical intermediate. It falls under tariff item 2917.11.00 as an ester of oxalic acid, per Chapter 29 Note 5(A) which classifies esters with the acid component's heading.
Dipotassium Oxalate
Dipotassium oxalate is a potassium salt of oxalic acid used in laboratory analysis and as a precipitating agent. As an inorganic salt of an organic acid, it is classified under tariff item 2917.11.00 per Chapter 29 Note 5(C)(1), which keeps salts with the parent acid heading.