# HS code 3823.11: Industrial monocarboxylic fatty acids; acid oils from refining, stearic acid > HS code 3823.11 covers industrial monocarboxylic fatty acids; acid oils from refining, stearic acid. It sits in heading 38.23 (industrial monocarboxylic fatty acids; acid oils from refining; industrial fatty alcohols) in chapter 38 (miscellaneous chemical products). Other goods of heading 38.23 are classified under 3823.12 (industrial monocarboxylic fatty acids; acid oils from refining, oleic acid), 3823.13 (industrial monocarboxylic fatty acids; acid oils from refining, tall oil fatty acids), 3823.19 (industrial monocarboxylic fatty acids; acid oils from refining, other) or 3823.70 (industrial fatty alcohols). National tariff lines under 3823.11 are live on border.bot for the United States (1 line, also used by 1 other country). Source: https://border.bot/hs-codes/382311 Last updated: 11 October 2026 [HS codes](https://border.bot/hs-codes) / [Chapter 38](https://border.bot/hs-codes/38) / [38.23](https://border.bot/hs-codes/3823) / [3823.11](https://border.bot/hs-codes/382311) ## Key facts - HS code: 3823.11 - Covers: Industrial monocarboxylic fatty acids; acid oils from refining, stearic acid - Heading: [38.23: Industrial monocarboxylic fatty acids; acid oils from refining; industrial fatty alcohols](https://border.bot/hs-codes/3823) - Chapter: [38: Miscellaneous chemical products](https://border.bot/hs-codes/38) - Edition: HS2022 - Duty in the United States: [See its 1 line](https://border.bot/countries/united-states/hs-codes/382311) ## What this code covers HS code 3823.11 covers industrial monocarboxylic fatty acids; acid oils from refining, stearic acid. The legal text of the subheading is “Industrial monocarboxylic fatty acids; acid oils from refining: Stearic acid”, read under “Industrial monocarboxylic fatty acids; acid oils from refining”, in HS2022. ## What it doesn’t cover Other goods of heading 38.23 are classified under 3823.12 (industrial monocarboxylic fatty acids; acid oils from refining, oleic acid), 3823.13 (industrial monocarboxylic fatty acids; acid oils from refining, tall oil fatty acids), 3823.19 (industrial monocarboxylic fatty acids; acid oils from refining, other) or 3823.70 (industrial fatty alcohols). - [3823.12](https://border.bot/hs-codes/382312) Industrial monocarboxylic fatty acids; acid oils from refining: Oleic acid - [3823.13](https://border.bot/hs-codes/382313) Industrial monocarboxylic fatty acids; acid oils from refining: Tall oil fatty acids - [3823.19](https://border.bot/hs-codes/382319) Industrial monocarboxylic fatty acids; acid oils from refining: Other - [3823.70](https://border.bot/hs-codes/382370) Industrial fatty alcohols ## How it is structured 3823.11 is a six-digit subheading. Its first two digits, 38, are the chapter; the first four, 3823, are heading 38.23; the last two, 11, identify the subheading within the heading. Countries add their own digits after these six for their national tariff lines. - Chapter 38: Miscellaneous chemical products - Heading 38.23: Industrial monocarboxylic fatty acids; acid oils from refining; industrial fatty alcohols - Within the heading: Industrial monocarboxylic fatty acids; acid oils from refining - Subheading 3823.11: Stearic acid ## In other countries National tariff lines under 3823.11 are live on border.bot for the United States (1 line, also used by 1 other country). - [United States](https://border.bot/countries/united-states/hs-codes/382311): 1 line, used by 1 other country - Previous subheading: [3822.90](https://border.bot/hs-codes/382290) Other - Next subheading: [3823.12](https://border.bot/hs-codes/382312) Industrial monocarboxylic fatty acids; acid oils from refining: Oleic acid ## Frequently asked questions ### What does HS code 3823.11 cover? HS code 3823.11 covers industrial monocarboxylic fatty acids; acid oils from refining, stearic acid. ### Which heading and chapter is HS code 3823.11 in? HS code 3823.11 is in heading 38.23 (industrial monocarboxylic fatty acids; acid oils from refining; industrial fatty alcohols) in chapter 38 (miscellaneous chemical products). ### Where are goods of heading 38.23 classified when 3823.11 doesn’t fit? Other goods of heading 38.23 are classified under 3823.12 (industrial monocarboxylic fatty acids; acid oils from refining, oleic acid), 3823.13 (industrial monocarboxylic fatty acids; acid oils from refining, tall oil fatty acids), 3823.19 (industrial monocarboxylic fatty acids; acid oils from refining, other) or 3823.70 (industrial fatty alcohols). ### Which countries’ tariffs list national lines under HS code 3823.11? National tariff lines under 3823.11 are live on border.bot for the United States (1 line, also used by 1 other country). ## Sources and updates The Harmonized System legal text comes from border.bot release 2 (edition HS 2022), imported from a file, and has been live since 11 October 2026. This page was last updated on 11 October 2026. Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling. Machine-readable: https://border.bot/hs-codes/382311.json