Key facts
- HS subheading
- 2918.30
- National lines
- 7
- Tariff
- United States
- Chapter
- 29: Organic chemicals
Summary
The United States tariff splits HS 2918.30 (carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives) into 7 national lines: 2918.30.10.00 (1-Formylphenylacetic acid, methyl ester), 2918.30.15.00 (2-Chloro-4,5-difluoro-ß-oxobenzenepropanoic acid, ethyl ester; and Ethyl 2-keto-4-phenylbutanoate), 2918.30.25.10 (methyl 3-oxo-2-phenylbutanoate (methyl alpha-phenylacetoacetate, MAPA)), 2918.30.25.50 (other) and 3 others. The general (MFN) duty differs by line: 5.8% on 2918.30.10.00, free on 2918.30.15.00, 6.5% on 2918.30.25.10, 6.5% on 2918.30.25.50, 6.5% on 2918.30.30.00, free on 2918.30.70.00 and 3.7% on 2918.30.90.00.
United States lines under 2918.30
The United States tariff splits HS 2918.30 (carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives) into 7 national lines: 2918.30.10.00 (1-Formylphenylacetic acid, methyl ester), 2918.30.15.00 (2-Chloro-4,5-difluoro-ß-oxobenzenepropanoic acid, ethyl ester; and Ethyl 2-keto-4-phenylbutanoate), 2918.30.25.10 (methyl 3-oxo-2-phenylbutanoate (methyl alpha-phenylacetoacetate, MAPA)), 2918.30.25.50 (other) and 3 others.
The general (MFN) duty differs by line: 5.8% on 2918.30.10.00, free on 2918.30.15.00, 6.5% on 2918.30.25.10, 6.5% on 2918.30.25.50, 6.5% on 2918.30.30.00, free on 2918.30.70.00 and 3.7% on 2918.30.90.00.
- 2918.30.10.001-Formylphenylacetic acid, methyl esterDuty: 5.8%
- 2918.30.15.002-Chloro-4,5-difluoro-ß-oxobenzenepropanoic acid, ethyl ester; and Ethyl 2-keto-4-phenylbutanoateDuty: Free
- 2918.30.25.10Methyl 3-oxo-2-phenylbutanoate (methyl alpha-phenylacetoacetate, MAPA)Duty: 6.5%
- 2918.30.25.50OtherDuty: 6.5%
- 2918.30.30.00OtherDuty: 6.5%
- 2918.30.70.00Dimethyl acetyl succinate; Oxalacetic acid diethyl ester, sodium salt; 4,4,4-Trifluoro-3-oxobutanoic acid, ethyl ester; and 4,4,4-Trifluoro-3-oxobutanoic acid, methyl esterDuty: Free
- 2918.30.90.00OtherDuty: 3.7%
In other countries
No other national tariff on border.bot has live lines under 2918.30 yet.
Frequently asked questions
How many national tariff lines does the United States tariff have under HS 2918.30?
The United States tariff splits HS 2918.30 (carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives) into 7 national lines: 2918.30.10.00 (1-Formylphenylacetic acid, methyl ester), 2918.30.15.00 (2-Chloro-4,5-difluoro-ß-oxobenzenepropanoic acid, ethyl ester; and Ethyl 2-keto-4-phenylbutanoate), 2918.30.25.10 (methyl 3-oxo-2-phenylbutanoate (methyl alpha-phenylacetoacetate, MAPA)), 2918.30.25.50 (other) and 3 others.
What is the duty on HS 2918.30 in the United States?
The general (MFN) duty differs by line: 5.8% on 2918.30.10.00, free on 2918.30.15.00, 6.5% on 2918.30.25.10, 6.5% on 2918.30.25.50, 6.5% on 2918.30.30.00, free on 2918.30.70.00 and 3.7% on 2918.30.90.00.
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: