United States tariff line 2918.29.39.00: 4,4-Bis(4-hydroxyphenyl) pentanoic acid; and 3,5,6-Trichlorosalicylic acid
Last updated
Key facts
- Tariff line
- 2918.29.39.00
- Covers
- Carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives, 4,4-Bis(4-hydroxyphenyl) pentanoic acid; and 3,5,6-Trichlorosalicylic acid
- Duty (MFN)
- Free
- Additional duties
- None recorded
- Restrictions
- None recorded
- Tariff
- United States
- HS subheading
- 2918.29
Summary
In the United States tariff, line 2918.29.39.00 covers carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives, 4,4-Bis(4-hydroxyphenyl) pentanoic acid; and 3,5,6-Trichlorosalicylic acid. Goods under this line enter free of general (MFN) duty. It falls under HS subheading 2918.29 in heading 29.18 (chapter 29).
What this line covers
In the United States tariff, line 2918.29.39.00 covers carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives, 4,4-Bis(4-hydroxyphenyl) pentanoic acid; and 3,5,6-Trichlorosalicylic acid.
Its legal text is “4,4-Bis(4-hydroxyphenyl) pentanoic acid; and 3,5,6-Trichlorosalicylic acid”, read under “Carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives” and “Other”.
How it is structured
It falls under HS subheading 2918.29 in heading 29.18 (chapter 29). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff.
- Chapter 29
- Organic chemicals
- Heading 29.18
- Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulfonated, nitrated or nitrosated derivatives
- Subheading 2918.29
- Carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives
- Within the subheading
- Other
- Line 2918.29.39.00
- 4,4-Bis(4-hydroxyphenyl) pentanoic acid; and 3,5,6-Trichlorosalicylic acid
Duty
Goods under this line enter free of general (MFN) duty.
Other lines under 2918.29
- 2918.29.04.002,3-Cresotic acid; 2-Hydroxybenzoic acid, calcium salt; 1-Hydroxy-2-naphthoic acid; 2-Hydroxy-1-naphthoic acid; 1-Hydroxy-2-naphthoic acid, phenyl ester;α-Resorcylic acid;γ-Resorcylic acid; and 5-Sulfosalicylic acid
- 2918.29.06.001,6-Hexanediol bis(3,5-dibutyl-4-hydroxyphenyl)propionate)
- 2918.29.08.00m-Hydroxybenzoic acid
- 2918.29.20.00Gentisic acid; and Hydroxycinnamic acid and its salts
- 2918.29.22.00p-Hydroxybenzoic acid
- 2918.29.25.003-Hydroxy-2-naphthoic acid
- 2918.29.30.00Gallic acid
- 2918.29.65.00Products described in additional U.S. note 3 to section VI
- 2918.29.75.00Other
In other countries
No other national tariff on border.bot has live lines under 2918.29 yet.
Frequently asked questions
What does tariff line 2918.29.39.00 cover in the United States tariff?
In the United States tariff, line 2918.29.39.00 covers carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives, 4,4-Bis(4-hydroxyphenyl) pentanoic acid; and 3,5,6-Trichlorosalicylic acid.
What is the general (MFN) duty on 2918.29.39.00 in the United States?
Goods under this line enter free of general (MFN) duty.
Sources and updates
The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.
The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.
The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.
This page was last updated on 9 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.
Official source files: