Chapter 29 · Organic chemicals · Section 6

HS Code 2918.29

Other

Heading 2918: Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulfonated, nitrated or nitrosated derivatives

US duty (general)
Free - 6.5%
US HTS lines
10
EU CN codes
1
UK commodity codes
9
Unit
kg

US HTS + UK Tariff v4.0.1596 · updated 2026-09-10 · sources

United States - HTS lines under 2918.29

Source: official Harmonized Tariff Schedule (USITC). "General" is the normal-trade-relations rate; "Special" lists preference programs; "Other" is the column-2 rate. Additional Section 232/301 duties may apply on top.

HTS codeDescriptionGeneralSpecialOtherUnit
2918.29.04 Other >
2,3-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
5.8% Free (A+,AU,BH,CL,CO,D,E,IL,JO,KR,L,MA,OM,P,PA,PE,S,SG) 15.4¢/kg + 40% kg
2918.29.06 Other >
1,6-Hexanediol bis(3,5-dibutyl-4-hydroxyphenyl)propionate)
5.8% Free (A+,AU,BH,CL,CO,D,E, IL,JO,KR,MA,OM,P, PA,PE,S,SG) 15.4¢/kg + 40% kg
2918.29.08 Other >
m-Hydroxybenzoic acid
Free - 15.4¢/kg + 40% kg
2918.29.20 Other >
Gentisic acid; and Hydroxycinnamic acid and its salts
6.5% Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,MA,OM,P, PA,PE,S,SG) 15.4¢/kg + 48.5% kg
2918.29.22 Other >
p-Hydroxybenzoic acid
6.5% Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) 15.4¢/kg + 48.5% kg
2918.29.25 Other >
3-Hydroxy-2-naphthoic acid
6.5% Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,L,MA,OM,P,PA,PE,S,SG) 15.4¢/kg + 57% kg
2918.29.30 Other >
Gallic acid
1% Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) 2% kg
2918.29.39 Other >
4,4-Bis(4-hydroxyphenyl) pentanoic acid; and 3,5,6-Trichlorosalicylic acid
Free - 15.4¢/kg + 57% kg
2918.29.65 Other > Other >
Products described in additional U.S. note 3 to section VI
6.5% Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,L,MA,OM,P, PA,PE,S,SG) 15.4¢/kg + 57% kg
2918.29.75 Other > Other >
Other
6.5% Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,L,MA,OM,P, PA,PE,S,SG) 15.4¢/kg + 57% kg

Estimate the US duty runs in your browser · no caps

Enter the customs value (and quantity, when a rate is per-unit) to estimate the general-rate duty per HTS line. Estimates exclude Section 232/301 surcharges, MPF/HMF and fees. Not a customs ruling.

European Union - CN codes under 2918.29

Source: EU Combined Nomenclature (Eurostat, © European Union, reused per Decision 2011/833/EU). Duty rates and measures live in TARIC; each code links to the official consultation.

CN codeDescription
2918 29 00 Other EU duty (TARIC) →

United Kingdom - commodity codes under 2918.29

Source: UK Integrated Online Tariff (Open Government Licence v3.0). Declarable 10-digit codes go on the customs declaration; check the official page for the current duty and VAT measures.

Commodity codeDescription
2918 29 00 00 Other UK duty & VAT →
2918 29 00 35 Propyl 3,4,5-trihydroxybenzoate (CAS RN 121-79-9) UK duty & VAT →
2918 29 00 45 3-Hydroxy-2-naphthoic acid (CAS RN 92-70-6) with a purity by weight of 98 % or more UK duty & VAT →
2918 29 00 60 Methyl-, ethyl-, propyl- or butyl esters of 4-hydroxybenzoic acid or their sodium salts (CAS RN 35285-68-8, 99-76-3, 5026-62-0, 94-26-8, 94-13-3, 35285-69-9, 120-47-8, 36457-20-2 or 4247-02-3) UK duty & VAT →
2918 29 00 70 3,5-Diiodosalicylic acid (CAS RN 133-91-5) UK duty & VAT →
2918 29 00 75 Octadecyl 3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate (CAS RN 2082-79-3) with<br>- a sieve passing fraction at a mesh width of 500 μm of more than 99 % by weight and<br>- a melting point of 49 °C or more, but not more than 54 °C,<br>for use in the manufacture of PVC processing stabilizer-one packs based on powder mixtures (powders or press granulates) UK duty & VAT →
2918 29 00 80 Pentaerythritol tetrakis(3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate) (CAS RN 6683-19-8) with:<br>- a sieve passing fraction at a mesh width of 250 μm of more than 75 % by weight and at a mesh width of 500 μm of more than 99 % by weight, and<br>- a melting point of 110 °C or more, but not more than 125 °C,<br>for use in the manufacture of PVC processing stabilizer-one packs based on powder mixtures (powders or press granulates)<br> UK duty & VAT →
2918 29 00 85 Hexamethylene bis[3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate] (CAS RN 35074-77-2) with a purity by weight of 97 % or more UK duty & VAT →
2918 29 00 90 Other UK duty & VAT →
Not a customs ruling. Classification is determined by the importing country's customs authority and depends on the exact product. This page is reference information from official published schedules, not legal advice. For a binding decision, request a ruling (US: CBP CROSS · UK: HMRC ATaR · EU: BTI).

Other subheadings in 2918

Sources: U.S. International Trade Commission, Harmonized Tariff Schedule (public domain) · EU Combined Nomenclature © European Union, Eurostat (Decision 2011/833/EU) · UK Integrated Online Tariff, contains public sector information licensed under the Open Government Licence v3.0. Data refreshed weekly. Details on About & Data Sources.