HTS heading 2918: Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulfonated, nitrated or nitrosated
Heading 2918 of the US Harmonized Tariff Schedule covers Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulfonated, nitrated or nitrosated derivatives. Below: every rated tariff line in it with its general duty rate, Section 301 China status and exclusions, then a page per line with a free duty calculator.
Heading 2918 at a glance
- 56 rated tariff lines; 11 duty-free at the general (MFN) rate.
- Ad valorem general rates from 1% to 6.5%.
- Section 301 (products of China): 47 of 56 lines on a list in effect (List 3, List 4A).
Goods named in this heading (official line texts): Lactic acid, Tartaric ac…, Potassium antimony tartrate (Tartar emetic), Potassium bitartrate (Cream of tartar), Potassium sodium tartrate (Rochelle salts), Citric acid, Sodium citrate, Gluconic acid, 2,2-Diphenyl-2-hydroxyacetic acid (benzilic acid), Chlorobenzi…, Benzilic acid, methyl ester, Mandelic acid, Products described in additional U.S. note 3 to section VI, Malic acid, Suitable for medici.
Subheadings (6-digit)
- 2918.11: Lactic acid, its salts and esters (2 lines)
- 2918.12: Carboxylic acids with alcohol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives (1 line)
- 2918.13: Salts and esters of tartaric acid (4 lines)
- 2918.14: Carboxylic acids with alcohol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives (1 line)
- 2918.15: Salts and esters of citric acid (2 lines)
- 2918.16: Gluconic acid, its salts and esters (2 lines)
- 2918.17: Carboxylic acids with alcohol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives (1 line)
- 2918.18: Carboxylic acids with alcohol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives (1 line)
- 2918.19: Aromatic (7 lines)
- 2918.21: Salicylic acid and its salts (2 lines)
- 2918.22: O-Acetylsalicylic acid, its salts and esters (2 lines)
- 2918.23: Other esters of salicylic acid and their salts (4 lines)
- 2918.29: Other (10 lines)
- 2918.30: Aromatic (6 lines)
- 2918.91: Other (1 line)
- 2918.99: Aromatic (10 lines)
All tariff lines in heading 2918
| Line | Description | General | Section 301 (China) | Exclusions |
|---|---|---|---|---|
| 2918.11.10 | Lactic acid, its salts and esters: Lactic acid | 5.1% | List 3 +25% | |
| 2918.11.51 | Lactic acid, its salts and esters: Other | 3.4% | List 3 +25% | |
| 2918.12.00 | Carboxylic acids with alcohol function but without other oxygen function, their …: Tartaric ac… | Free | List 3 +25% | |
| 2918.13.10 | Potassium antimony tartrate (Tartar emetic) | Free | List 3 +25% | |
| 2918.13.20 | Potassium bitartrate (Cream of tartar) | Free | List 3 +25% | |
| 2918.13.30 | Potassium sodium tartrate (Rochelle salts) | Free | List 3 +25% | |
| 2918.13.50 | Salts and esters of tartaric acid: Other | 4.4% | List 3 +25% | |
| 2918.14.00 | Carboxylic acids with alcohol function but without other oxygen function, their …: Citric acid | 6% | List 3 +25% | |
| 2918.15.10 | Salts and esters of citric acid: Sodium citrate | 6.5% | List 3 +25% | |
| 2918.15.50 | Salts and esters of citric acid: Other | 3.7% | List 3 +25% | |
| 2918.16.10 | Gluconic acid, its salts and esters: Gluconic acid | 6% | List 3 +25% | |
| 2918.16.50 | Gluconic acid, its salts and esters: Other | 3.7% | List 3 +25% | |
| 2918.17.00 | 2,2-Diphenyl-2-hydroxyacetic acid (benzilic acid) | 5.8% | List 3 +25% | |
| 2918.18.00 | Carboxylic acids with alcohol function but without other oxygen function, their …: Chlorobenzi… | 6.5% | List 3 +25% | |
| 2918.19.11 | Aromatic: Benzilic acid, methyl ester | 5.8% | List 3 +25% | |
| 2918.19.12 | Phenylglycolic acid (Mandelic acid), its salts and esters: Mandelic acid | Free | List 3 +25% | |
| 2918.19.15 | Phenylglycolic acid (Mandelic acid), its salts and esters: Other | 6.5% | List 3 +25% | |
| 2918.19.20 | Products described in additional U.S. note 3 to section VI | 6.5% | List 4A +7.5% | |
| 2918.19.31 | Other: Other | 6.5% | List 4A +7.5% | |
| 2918.19.60 | Other: Malic acid | 4% | List 3 +25% | |
| 2918.19.90 | Other: Other | 4% | List 3 +25% | |
| 2918.21.10 | Salicylic acid and its salts: Suitable for medicinal use | 6.5% | List 3 +25% | |
| 2918.21.50 | Salicylic acid and its salts: Other | 6.5% | List 3 +25% | |
| 2918.22.10 | O-Acetylsalicylic acid (Aspirin) | 6.5% | none | |
| 2918.22.50 | Salts and esters of O-acetylsalicylic acid | 6.5% | none | |
| 2918.23.10 | Salol (Phenyl salicylate) suitable for medicinal use | 6.5% | List 3 +25% | |
| 2918.23.20 | Odoriferous or flavoring compounds | 6.5% | List 3 +25% | |
| 2918.23.30 | Products described in additional U.S. note 3 to section VI | 6.5% | List 3 +25% | |
| 2918.23.50 | Other: Other | 6.5% | List 3 +25% | |
| 2918.29.04 | 2,3-Cresotic acid; 2-Hydroxybenzoic acid, calcium salt; 1-Hydroxy-2-naphthoic acid; 2-Hydroxy-… | 5.8% | List 3 +25% | |
| 2918.29.06 | 1,6-Hexanediol bis(3,5-dibutyl-4-hydroxyphenyl)propionate) | 5.8% | List 3 +25% | |
| 2918.29.08 | Other: m-Hydroxybenzoic acid | Free | List 3 +25% | |
| 2918.29.20 | Gentisic acid; and Hydroxycinnamic acid and its salts | 6.5% | List 3 +25% | |
| 2918.29.22 | Other: p-Hydroxybenzoic acid | 6.5% | List 3 +25% | |
| 2918.29.25 | Other: 3-Hydroxy-2-naphthoic acid | 6.5% | List 4B (suspended, no extra duty) | |
| 2918.29.30 | Other: Gallic acid | 1% | List 3 +25% | |
| 2918.29.39 | 4,4-Bis(4-hydroxyphenyl) pentanoic acid; and 3,5,6-Trichlorosalicylic acid | Free | List 3 +25% | |
| 2918.29.65 | Products described in additional U.S. note 3 to section VI | 6.5% | List 3 +25% | |
| 2918.29.75 | Other: Other | 6.5% | List 3 +25% | |
| 2918.30.10 | 1-Formylphenylacetic acid, methyl ester | 5.8% | List 3 +25% | |
| 2918.30.15 | 2-Chloro-4,5-difluoro-ß-oxobenzenepropanoic acid, ethyl ester; and Ethyl 2-keto-4-phenylbutano… | Free | List 3 +25% | |
| 2918.30.25 | Products described in additional U.S. note 3 to section VI | 6.5% | List 3 +25% | |
| 2918.30.30 | Other: Other | 6.5% | List 3 +25% | |
| 2918.30.70 | Dimethyl acetyl succinate; Oxalacetic acid diethyl ester, sodium salt; 4,4,4-Trifluoro-3-oxobu… | Free | List 3 +25% | |
| 2918.30.90 | Other: Other | 3.7% | List 3 +25% | |
| 2918.91.00 | 2,4,5-T (ISO) (2,4,5-trichlorophenoxyacetic acid), its salts and esters | 6.5% | List 3 +25% | |
| 2918.99.05 | p-Anisic acid; Clofibrate; and 3-Phenoxybenzoic acid | 5.8% | List 3 +25% | |
| 2918.99.06 | 1-Hydroxy-6-octadecyloxy-2-naphthalene- carboxylic acid; and 1-Hydroxy-6-docosyloxy-2-naphthal… | Free | List 4B (suspended, no extra duty) | |
| 2918.99.14 | 2-(4-Chloro-2-methylphenoxy)propionic acid and its salts | Free | none | |
| 2918.99.18 | 4-(4-Chloro-2-methylphenoxy) butyric acid;p-Chlorophenoxyacetic acid; and 2-(2,4-Dichloropheno… | 6.5% | List 3 +25% | |
| 2918.99.20 | Pesticides: Other | 6.5% | List 4A +7.5% | |
| 2918.99.30 | Other: Drugs | 6.5% | none | |
| 2918.99.35 | Odoriferous or flavoring compounds | 6.5% | List 4B (suspended, no extra duty) | |
| 2918.99.43 | Products described in additional U.S. note 3 to section VI | 6.5% | List 3 +25% | |
| 2918.99.47 | Other: Other | 6.5% | List 4B (suspended, no extra duty) | |
| 2918.99.50 | Other: Other | 4% | List 4B (suspended, no extra duty) |
All of chapter 29 · Chapter 29 rate summary · HTS lookup
General information from the official US Harmonized Tariff Schedule (USITC) and USTR Section 301 notices in HTS Chapter 99; not legal or customs advice. Classification is decided by CBP; confirm with a licensed customs broker or a CBP binding ruling.
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