# HTS 3823: Industrial monocarboxylic fatty acids; acid oils from refining; industrial fatty alcohols:

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Source: [2026 HTS Revision 21 (October 9, 2026)](https://hts.usitc.gov/search?query=3823). Additional duties by country of origin may apply; estimate a shipment's full duty with the tariff calculator: https://geopax.app/tariffs/calculator

## 3823: Industrial monocarboxylic fatty acids; acid oils from refining; industrial fatty alcohols:

| Code | Description | General | Special | Column 2 | Units |
| --- | --- | --- | --- | --- | --- |
| 3823 | Industrial monocarboxylic fatty acids; acid oils from refining; industrial fatty alcohols: |  |  |  |  |
|  |   Industrial monocarboxylic fatty acids; acid oils from refining: |  |  |  |  |
| 3823.11.00.00 |     Stearic acid | 2.1¢/kg + 3.8% | Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 6.6¢/kg + 25% | kg |
| 3823.12.00.00 |     Oleic acid | 2.1¢/kg + 3.2% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 6.6¢/kg + 20% | kg |
| 3823.13.00 |     Tall oil fatty acids | 3.2% | Free (A+,AU,BH,CL,CO,D,E, IL,JO, KR,MA,OM,P, PA,PE,S,SG) | 20% |  |
| 3823.13.00.20 |       Containing less than two percent rosin | 3.2% | Free (A+,AU,BH,CL,CO,D,E, IL,JO, KR,MA,OM,P, PA,PE,S,SG) | 20% | kg |
| 3823.13.00.40 |       Other | 3.2% | Free (A+,AU,BH,CL,CO,D,E, IL,JO, KR,MA,OM,P, PA,PE,S,SG) | 20% | kg |
| 3823.19 |     Other: |  |  |  |  |
| 3823.19.20.00 |       Derived from coconut, palm-kernel or palm oil | 2.3% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 20% | kg |
| 3823.19.40.00 |       Other | 3.2% | Free (A+,AU,BH,CL,CO,D,E, IL,JO, KR,MA,OM,P, PA,PE,S,SG) | 20% | kg |
| 3823.70 |   Industrial fatty alcohols: |  |  |  |  |
|  |     Derived from fatty substances of animal or vegetable origin: |  |  |  |  |
| 3823.70.20.00 |       Oleyl | 5.1% | Free (A+,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 39.5% | kg |
| 3823.70.40.00 |       Other | 2% | Free (A+,AU,BH,CL,CO,D,E, IL,JO, KR,MA,OM,P, PA,PE,S,SG) | 25% | kg |
| 3823.70.60.00 |     Other | 2.4% | Free (A+,AU,BH,CL,CO,D,E, IL,JO, KR,MA,OM,P, PA,PE,S,SG) | 25% | kg |