HTS 2918.16.50 duty rate

Gluconic acid, its salts and esters: Other. General duty 3.7%; for goods of Chinese origin, general + Section 301 (+25%) comes to 28.7% before any other duties.

3.7%General (MFN) duty rate

List 3 +25%Section 301, products of China

28.7%General + Section 301 for China, ad valorem

25%Column 2 (Cuba, North Korea, Russia, Belarus)

Official USITC Harmonized Tariff Schedule, 2026HTSRev20 · data built 2026-10-02 · check on hts.usitc.gov

Tariff line	2918.16.50
Description	Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulfonated, nitrated or nitrosated derivatives: › Carboxylic acids with alcohol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives: › Gluconic acid, its salts and esters: › Other
General rate	3.7%
Special rate (trade programs)	Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)
Column 2 rate	25%
Units of quantity	see statistical lines
Section 301 (China)	List 3 +25%

Section 301 China tariffs on this line

Chapter 99 heading	List	Extra duty	Status
9903.88.03	List 3	+25%	in effect

Statistical reporting numbers (10-digit)

Report the 10-digit number on the entry; the duty rate is the one above.

Code	Description
2918.16.50.10	Sodium gluconate
2918.16.50.20	Calcium gluconate
2918.16.50.90	Other

2026 US–China tariff reduction lists: The US–China reduction lists are not published yet. Dutyfinch checks the Federal Register every day and flags each code as soon as the list appears.

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Nearby tariff lines

2918.11.10 · 2918.11.51 · 2918.12.00 · 2918.13.10 · 2918.13.20 · 2918.13.30 · 2918.13.50 · 2918.14.00 · 2918.15.10 · 2918.15.50 · 2918.16.10 · 2918.17.00 · 2918.18.00 · 2918.19.11 · 2918.19.12 · 2918.19.15 · 2918.19.20 · 2918.19.31 · 2918.19.60 · 2918.19.90 · 2918.21.10 · 2918.21.50 · 2918.22.10 · 2918.22.50 · 2918.23.10 · 2918.23.20 · 2918.23.30 · 2918.23.50 · 2918.29.04

← 2918.16.10 · 2918.17.00 → · Heading 2918 · Chapter 29 · Chapter 29 rate summary

General information from the official US Harmonized Tariff Schedule (USITC) and Federal Register; not legal or customs advice. Section 232, IEEPA, antidumping/countervailing and other duties can also apply. Confirm classification and rates with CBP or a licensed customs broker before you file.