Trimethylolpropane (TMP) Technical Grade
Trimethylolpropane Technical Grade is a separate chemically defined organic compound, 2-Ethyl-2-(hydroxymethyl)propane-1,3-diol, used as a building block in polyurethane and alkyd resin production. It falls under tariff item 2905.41.00 as a polyhydric acyclic alcohol, regardless of its technical grade.
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 not the specific named compound
Other polyhydric alcohols are classified under this 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
• Ensure the product is clearly identified as the named compound with a certificate of analysis
• Verify that impurities are within acceptable limits for a chemically defined compound
• Keep documentation of the product's intended use to support classification
Related Products under Tariff item 2905.41.00
Distilled Trimethylolpropane USP Grade
Distilled Trimethylolpropane USP Grade is an ultra-pure form of 2-Ethyl-2-(hydroxymethyl)propane-1,3-diol, a separate chemically defined organic compound. Its high purity meets USP standards, making it suitable for pharmaceutical intermediates and cosmetics. It falls under tariff item 2905.41.00 as a polyhydric acyclic alcohol.
High Purity Trimethylolpropane (TMP) 99.5%
High Purity Trimethylolpropane (TMP) at 99.5% purity is a separate chemically defined organic compound, specifically 2-Ethyl-2-(hydroxymethyl)propane-1,3-diol. It is used in radiation-curable coatings and adhesives, and its purity ensures it meets the definition of a chemically defined compound under Chapter 29. It is correctly classified under tariff item 2905.41.00.
Industrial Trimethylolpropane Bulk Drums
Industrial Trimethylolpropane in bulk drums is a form of 2-Ethyl-2-(hydroxymethyl)propane-1,3-diol, a separate chemically defined organic compound. With a minimum purity of 97%, it is used in the production of lubricants and plasticizers. It falls under tariff item 2905.41.00 as a polyhydric acyclic alcohol, regardless of its industrial grade.
Molten Trimethylolpropane (TMP)
Molten Trimethylolpropane is the same chemically defined compound, 2-Ethyl-2-(hydroxymethyl)propane-1,3-diol, supplied in a molten state for direct industrial use. The physical form does not affect classification, as it remains a separate chemically defined organic compound. It is used in flexible polyurethane foam production and falls under tariff item 2905.41.00.
Pharma-Grade Trimethylolpropane Crystals
Pharma-Grade Trimethylolpropane Crystals are a highly pure form of 2-Ethyl-2-(hydroxymethyl)propane-1,3-diol, produced under GMP standards. At 99.9% purity, it is a separate chemically defined organic compound used in pharmaceutical synthesis. It is correctly classified under tariff item 2905.41.00 as a polyhydric acyclic alcohol.
TMP with Anti-Dusting Agent
TMP with Anti-Dusting Agent is powdered trimethylolpropane treated with 0.05% silica for safety. Chapter note 1(g) permits the addition of anti-dusting agents for safety reasons, provided they do not make the product suitable for a specific use. It remains classified under tariff item 2905.41.00 as the named compound.