Saturated acyclic monocarboxylic acids and their anhydrides — HTS 2915
Saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulfonated, nitrated or nitrosated derivatives
Chapter 29 › Heading 2915
2026 HTS Rev 19 Synced Rules verified Operational
Written to help non-specialists understand this page. Rates, dates, and legal facts come from the official records above and on the linked source.
HTS heading 2915 is a four-digit product category for certain saturated, acyclic monocarboxylic acids and closely related chemical products. In plain language, it groups organic chemicals with a particular structure: a saturated carbon chain, no ring structure, and one carboxylic-acid group. It also covers related forms such as anhydrides, halides, peroxides, peroxyacids, and derivatives that have been halogenated, sulfonated, nitrated, or nitrosated.
The four-digit heading is only the starting point. To reach the correct eight-digit HTSUS subheading, identify the exact chemical substance or mixture, its form, and any treatment or derivative described in the tariff. The lower-level provisions commonly distinguish products by material or chemical type, so the product’s technical identity—not its trade name alone—usually controls. Classification can require customs-broker or chemist review when the composition or structure is unclear.
What to check
- Obtain the product’s safety data sheet, specification sheet, formula, and CAS Registry Number, if available.
- Confirm whether the product is an acid, anhydride, halide, peroxide, peroxyacid, or a halogenated, sulfonated, nitrated, or nitrosated derivative.
- Check the chemical structure: verify that it is saturated, acyclic, and monocarboxylic, rather than a cyclic, unsaturated, or polycarboxylic product.
- Compare the exact substance and concentration against the current HTSUS heading notes and eight-digit descriptions; do not classify from a marketing name alone.
- Ask a qualified customs broker or seek a binding tariff ruling when the product is a mixture, solution, reaction product, or has competing possible classifications.
HTS heading 2915 summary
Saturated acyclic monocarboxylic acids and their anhydrides is a 4-digit product category containing 9 published product-code lines in this snapshot. A heading does not carry one universal duty rate; classification must be narrowed to the line matching the product facts.
How to find your code in this category
A heading is a product category. To get the exact duty, narrow from this 4-digit heading to a sub-category (usually by material), then open the 8-digit code that matches your product.
Open any code in the tables below to see its exact duty rate, a duty calculator (enter your shipment value → estimated duty and landed cost), the rate-change history chart, and the country-by-country breakdown (including Section 301/232 add-on duties).
Why you have to click in: a single category can contain products with very different duties. The rate depends on the specific product — its material and construction — and on the country of origin, and those only get pinned down at the 8-digit code level. That is why this page points you to codes instead of showing one rate for the whole category.
Sub-categories
| Code | Description |
|---|---|
| 2915.13 | Esters of formic acid |
| 2915.29 | Other |
| 2915.39 | Other |
| 2915.40 | Mono-, di- or trichloroacetic acids, their salts and esters |
| 2915.50 | Propionic acid, its salts and esters |
| 2915.60 | Butanoic acids, pentanoic acids, their salts and esters |
| 2915.90 | Other |
Product codes & duty rates
👇 Each row is a specific product code — click a blue code to open its full page with exact duty rates by country, the rate-history chart, and a duty calculator. 👉
| Code | Description | General (MFN) | Special | Column 2 |
|---|---|---|---|---|
| 2915.11.00.00 👉 | Formic acid | 5.5% | Free | 22.5% |
| 2915.12.00.00 👉 | Salts of formic acid | 5.5% | Free | 27.5% |
| 2915.21.00.00 👉 | Acetic acid | 1.8% | Free | 16% |
| 2915.24.00.00 👉 | Acetic anhydride | 3.5% | Free | 22% |
| 2915.31.00.00 👉 | Ethyl acetate | 3.7% | Free | 20.5% |
| 2915.32.00.00 👉 | Vinyl acetate | 3.8% | Free | 52% |
| 2915.33.00.00 👉 | n-Butyl acetate | 5.5% | Free | 40% |
| 2915.36.00.00 👉 | Dinoseb (ISO) acetate | 5.5% | Free | 15.4¢/kg + 57% |
| 2915.70.01 👉 | Palmitic acid, stearic acid, their salts and esters | 5% | Free | 29.5% |
"Special" shows the free-trade-agreement rate; open a code to see exactly which countries qualify.
Common questions
What products fall under HTS heading 2915?
Saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulfonated, nitrated or nitrosated derivatives. To classify a specific item you must pick the matching sub-category and 8-digit code above; the right choice usually depends on the material and construction of the product.
How do I choose the right code within this category?
Start from the sub-categories (typically divided by material—for example cotton versus man-made fibers), then open the active 8- or 10-digit code that matches the product. When unsure, a licensed customs broker or a CBP binding ruling can confirm the classification.
Reference information only, not customs, legal, or classification advice. Confirm the current code and rate against the official HTS before you import.