Chapters › 2918

HTS 2918

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

As of Revision 22 (2026), effective Oct 30, 2026Source: USITC HTS ↗
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Chapter 99 measures listing products under 2918

Lines under 2918

HTSDescriptionGeneralColumn 2
2918.11Lactic acid, its salts and esters:
2918.11.10.00Lactic acid5.1%35%
2918.11.51.00Other3.4%25%
2918.12.00.00Tartaric acidFree17%
2918.13Salts and esters of tartaric acid:
2918.13.10.00Potassium antimony tartrate (Tartar emetic)Free4%
2918.13.20.00Potassium bitartrate (Cream of tartar)Free11%
2918.13.30.00Potassium sodium tartrate (Rochelle salts)Free11.5%
2918.13.50.00Other4.4%25%
2918.14.00.00Citric acid6%39.5%
2918.15Salts and esters of citric acid:
2918.15.10.00Sodium citrate6.5%42%
2918.15.50.00Other3.7%25%
2918.16Gluconic acid, its salts and esters:
2918.16.10.00Gluconic acid6%25%
2918.16.50Other3.7%25%
2918.16.50.10Sodium gluconate
2918.16.50.20Calcium gluconate
2918.16.50.90Other
2918.17.00.012,2-Diphenyl-2-hydroxyacetic acid (benzilic acid)5.8%15.4¢/kg + 40%
2918.18.00.00Chlorobenzilate (ISO)6.5%15.4¢/kg + 57%
2918.19Other:
2918.19.11.00Benzilic acid, methyl ester5.8%15.4¢/kg + 40%
2918.19.12.00Mandelic acidFree15.4¢/kg + 67.5%
2918.19.15.00Other6.5%15.4¢/kg + 67.5%
2918.19.20.00Products described in additional U.S. note 3 to section VI6.5%15.4¢/kg + 57%
2918.19.31.00Other6.5%15.4¢/kg + 57%
2918.19.60.00Malic acid4%25%
2918.19.90.00Other4%25%
2918.21Salicylic acid and its salts:
2918.21.10.00Suitable for medicinal use6.5%15.4¢/kg + 72%
2918.21.50.00Other6.5%15.4¢/kg + 57%
2918.22O-Acetylsalicylic acid, its salts and esters:
2918.22.10.00O-Acetylsalicylic acid (Aspirin)6.5%15.4¢/kg + 82%
2918.22.50.00Salts and esters of O-acetylsalicylic acid6.5%15.4¢/kg + 47.5%
2918.23Other esters of salicylic acid and their salts:
2918.23.10.00Salol (Phenyl salicylate) suitable for medicinal use6.5%15.4¢/kg + 45%
2918.23.20.00Odoriferous or flavoring compounds6.5%15.4¢/kg + 58%
2918.23.30.00Products described in additional U.S. note 3 to section VI6.5%15.4¢/kg + 57%
2918.23.50.00Other6.5%15.4¢/kg + 57%
2918.29Other:
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…5.8%15.4¢/kg + 40%
2918.29.06.001,6-Hexanediol bis(3,5-dibutyl-4-hydroxyphenyl)propionate)5.8%15.4¢/kg + 40%
2918.29.08.00m-Hydroxybenzoic acidFree15.4¢/kg + 40%
2918.29.20.00Gentisic acid; and Hydroxycinnamic acid and its salts6.5%15.4¢/kg + 48.5%
2918.29.22.00p-Hydroxybenzoic acid6.5%15.4¢/kg + 48.5%
2918.29.25.003-Hydroxy-2-naphthoic acid6.5%15.4¢/kg + 57%
2918.29.30.00Gallic acid1%2%
2918.29.39.004,4-Bis(4-hydroxyphenyl) pentanoic acid; and 3,5,6-Trichlorosalicylic acidFree15.4¢/kg + 57%
2918.29.65.00Products described in additional U.S. note 3 to section VI6.5%15.4¢/kg + 57%
2918.29.75.00Other6.5%15.4¢/kg + 57%
2918.30Carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and…
2918.30.10.001-Formylphenylacetic acid, methyl ester5.8%15.4¢/kg + 40%
2918.30.15.002-Chloro-4,5-difluoro-ß-oxobenzenepropanoic acid, ethyl ester; and Ethyl 2-keto-4-phenylbutanoateFree15.4¢/kg + 57%
2918.30.25Products described in additional U.S. note 3 to section VI6.5%15.4¢/kg + 57%
2918.30.25.10Methyl 3-oxo-2-phenylbutanoate (methyl alpha-phenylacetoacetate, MAPA)
2918.30.25.50Other
2918.30.30.00Other6.5%15.4¢/kg + 57%
2918.30.70.00Dimethyl acetyl succinate; Oxalacetic acid diethyl ester, sodium salt; 4,4,4-Trifluoro-3-oxobutanoic acid, ethyl ester; and…Free25%
2918.30.90.00Other3.7%25%
2918.91.00.002,4,5-T (ISO) (2,4,5-trichlorophenoxyacetic acid), its salts and esters6.5%15.4¢/kg + 48.5%
2918.99Other:
2918.99.05.00p-Anisic acid; Clofibrate; and 3-Phenoxybenzoic acid5.8%15.4¢/kg + 40%
2918.99.06.001-Hydroxy-6-octadecyloxy-2-naphthalene- carboxylic acid; and 1-Hydroxy-6-docosyloxy-2-naphthalene- carboxylic acidFree15.4¢/kg + 57%
2918.99.14.002-(4-Chloro-2-methylphenoxy)propionic acid and its saltsFree15.4¢/kg + 40.5%
2918.99.18.004-(4-Chloro-2-methylphenoxy) butyric acid;p-Chlorophenoxyacetic acid; and 2-(2,4-Dichlorophenoxy) propionic acid6.5%15.4¢/kg + 40.5%
2918.99.20Other6.5%15.4¢/kg + 48.5%
2918.99.20.102,4-Dichlorophenoxyacetic acid, its salts and esters
2918.99.20.152-Methyl-4-chlorophenoxyacetic acid
2918.99.20.50Other
2918.99.30.00Drugs6.5%15.4¢/kg + 47.5%
2918.99.35.00Odoriferous or flavoring compounds6.5%15.4¢/kg + 58%
2918.99.43Products described in additional U.S. note 3 to section VI6.5%15.4¢/kg + 57%
2918.99.43.102-Methyl-3-phenyloxirane-2-carboxylic acid (P-2-P methyl glycidic acid), its salts and esters
2918.99.43.50Other
2918.99.47.00Other6.5%15.4¢/kg + 57%
2918.99.50.00Other4%25%