Formaldehyde Semiconductor Processing Grade
>- Ultra-high purity formaldehyde for photoresist manufacturing in semiconductor production. As a chemically defined methanal compound, it meets the Chapter 29 requirements for electronic chemical intermediates and is classified under this tariff item.
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 contaminated with other acyclic aldehydes
Impurities of other aldehydes would change the 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
• >- Provide a certificate of analysis showing purity levels to support the classification
• Ensure the packaging is suitable for cleanroom use and labelled accordingly
• Verify if any export controls apply due to the semiconductor end-use
Related Products under Tariff item 2912.11.00
Anhydrous Formaldehyde Gas Cylinders
>- High-purity anhydrous methanal (formaldehyde) in pressurized cylinders for industrial chemical synthesis. It is a separate chemically defined acyclic aldehyde without other oxygen functions, meeting the criteria of Chapter 29 Note 1(a) for classification under this tariff item.
Bulk Formaldehyde Railcar Grade
>- Commodity-grade 37% formaldehyde solution shipped by railcar for particleboard manufacturing. This aqueous solution of methanal is a chemically defined compound dissolved in water, as described in Chapter 29 Note 1(d), and falls under this tariff item.
Formaldehyde 40% Stabilized Solution (Methanol Stabilized)
>- 40% formaldehyde solution stabilized with methanol to prevent polymerization, used in resins and adhesives production. The methanol stabilizer is permitted under Chapter 29 Note 1(f) as necessary for preservation or transport, and the product remains classified as methanal under this tariff item.
Formaldehyde Diagnostic Grade Solution
>- Formaldehyde solution certified for clinical chemistry analyzers and diagnostic kits. As a chemically defined methanal solution, the diagnostic certification does not alter its classification under this tariff item, consistent with Chapter 29 Note 1(a) and (d).
Formaldehyde for Plywood Resin Production
>- Technical grade formaldehyde solution optimized for phenol-formaldehyde plywood adhesives. The formulation specifications do not override the chemical definition of methanal, so it remains classified under this tariff item as an acyclic aldehyde without other oxygen functions.
Formaldehyde for Urea Resin Synthesis
>- Pharmaceutical/purity grade formaldehyde specifically for pharmaceutical intermediate synthesis. The intended use does not affect classification under this tariff item, as it is a pure chemically defined compound meeting Chapter 29 Note 1(a).