HTS US: 2917.XX.XXXX
Description
This heading encompasses a broad range of polycarboxylic acids along with their various chemical derivatives, including anhydrides, halides, peroxides, and peroxyacids. It also includes halogenated, sulfonated, nitrated, or nitrosated derivatives of these compounds. These substances are widely used in industrial applications such as plasticizers, intermediates in polymer production, and chemical synthesis.
The heading covers both the pure acids themselves and their salts and esters, highlighting their chemical versatility. Major compounds include oxalic acid, adipic acid, phthalic anhydride, terephthalic acid, and various orthophthalate esters.
Code Hierarchy
- Section VI: Products of the Chemical or Allied Industries (Chapters 28-38)
- Chapter 29: Organic Chemicals
- Heading 2917: Polycarboxylic acids, their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulfonated, nitrated or nitrosated derivatives.
- US HTS Code (10-digit):
2917.XX.XXXX– The full 10-digit codes specify the exact acid, derivative, or ester.
Detailed Breakdown of Subheadings
The heading 2917 is divided into numerous subheadings that classify the acids and derivatives based on chemical composition and specific industrial use.
| HS/HTS Code | Description | Examples & Notes |
|---|---|---|
| 2917.11.00.00 | Oxalic acid, its salts and esters | Includes pure oxalic acid and its derivatives used in bleaching and cleaning agents. |
| 2917.12 | Adipic acid, its salts and esters | Key raw material for nylon production and plasticizers. |
| 2917.12.10.00 | Adipic acid | Pure adipic acid used in polymer industries. |
| 2917.12.20.00 | Plasticizers | Esters of adipic acid used to increase plastic flexibility. |
| 2917.12.50.00 | Other | Other salts and esters of adipic acid. |
| 2917.13.00 | Azelaic acid, sebacic acid, their salts and esters | Used in lubricants, cosmetics, and polymers. |
| 2917.13.00.30 | Sebacic acid | Important dicarboxylic acid for plasticizers and nylons. |
| 2917.13.00.90 | Other | Other related acids and derivatives. |
| 2917.14 | Maleic anhydride | Important in polymer industry and chemical synthesis. |
| 2917.14.10.00 | Derived in whole or in part from benzene or other aromatic hydrocarbons | Maleic anhydride produced from aromatic sources. |
| 2917.14.50.00 | Other | Other maleic anhydride forms. |
| 2917.19 | Other acids and derivatives | Includes various acids and salts not elsewhere classified. |
| 2917.19.10.00 | Ferrous fumarate | Iron salt used as a dietary supplement and in pharmaceuticals. |
| 2917.19.15.00 | Derived in whole or in part from aromatic hydrocarbons | Specialized aromatic derivatives. |
| 2917.19.17.00 | Other | Miscellaneous derivatives. |
| 2917.19.20.00 | Products described in additional U.S. note 3 to section VI | Special regulated products. |
| 2917.19.23.00 | Maleic acid | Used in polymer synthesis and chemical manufacturing. |
| 2917.19.27.00 | Other | Additional maleic acid derivatives. |
| 2917.19.30.00 | Ethylene brassylate | Used in fragrance and cosmetic formulations. |
| 2917.19.35.00 | Malonic acid | Important intermediate in organic synthesis. |
| 2917.19.40.00 | Derived in whole or in part from aromatic hydrocarbons | Additional aromatic derivatives. |
| 2917.19.70 | Other | Miscellaneous other acids and derivatives. |
| 2917.19.70.20 | Plasticizers | Plasticizer chemicals within this category. |
| 2917.19.70.50 | Other | Other non-plasticizer compounds. |
| 2917.20.00.00 | Cyclanic, cyclenic or cycloterpenic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives | Specialized cyclic acids used in chemical manufacturing. |
| 2917.32.00.00 | Dioctyl orthophthalates | Common plasticizers used in PVC products. |
| 2917.33.00 | Dinonyl or didecyl orthophthalates | Esters used as plasticizers providing flexibility. |
| 2917.33.00.10 | Diisodecyl orthophthalate | Specific plasticizer variant. |
| 2917.33.00.50 | Other | Other esters in this group. |
| 2917.34.01 | Other esters of orthophthalic acid | Diverse esters with industrial uses. |
| 2917.34.01.10 | Dibutyl orthophthalate | Widely used plasticizer in flexible plastics. |
| 2917.34.01.50 | Other | Other esters. |
| 2917.35.00.00 | Phthalic anhydride | Key intermediate in plasticizer and polyester production. |
| 2917.36.00.00 | Terephthalic acid and its salts | Essential for polyester fiber and plastic manufacture. |
| 2917.37.00.00 | Dimethyl terephthalate | Used primarily in polyester resin production. |
| 2917.39 | Other acids and derivatives | Miscellaneous acids not classified above. |
| 2917.39.04.00 | 1,2,4-Benzenetricarboxylic acid, 1,2-dianhydride (Trimellitic anhydride); Phthalic acid; and 4-Sulfo-1,8-naphthalic anhydride | Specialized chemical intermediates. |
| 2917.39.08.00 | Naphthalic anhydride | Used in dyes and resins. |
| 2917.39.12.00 | 4,4′-(Hexafluoroisopropylidene)bis(phthalic anhydride) | Specialty chemical for high-performance polymers. |
| 2917.39.15.00 | Isophthalic acid | Important in resin and polymer industries. |
| 2917.39.17.00 | Tetrabromophthalic anhydride | Used as a flame retardant additive. |
| 2917.39.20.00 | Plasticizers | Various plasticizers under this heading. |
| 2917.39.30.00 | Products described in additional U.S. note 3 to section VI | Special regulated products. |
| 2917.39.70.00 | Other | Other acids and derivatives not elsewhere specified. |
What is NOT Classified Here?
To avoid misclassification, note these exclusions:
- Synthetic polymer resins and plastics that are manufactured from these acids are classified under Chapters 39 and 40.
- Simple monocarboxylic acids or unrelated organic acids and esters are classified under other headings in Chapter 29.
- Inorganic acids and salts are excluded and classified elsewhere.
Notes
- Chemical Industry Usage: Many compounds under this heading are fundamental intermediates in the manufacture of polymers, resins, plasticizers, and specialty chemicals.
- Tariff Treatment: Duty rates vary widely depending on the specific acid or derivative and its use, with some plasticizers and esters subject to different rates.
- Regulatory Considerations: Certain derivatives may be subject to environmental or safety regulations due to their chemical properties.
Declaration Example
Product: A shipment of dibutyl orthophthalate plasticizer imported for flexible PVC production.US HTS Code:
2917.34.01.10(Dibutyl orthophthalate)Unit of Quantity: Kilogram (kg)
General Duty Rate: Refer to current USHTS schedule for exact rate.
Additional Requirements: Compliance with chemical import regulations and safety data sheets required.
Related HTS Codes
- HTS 2915: Saturated acyclic monocarboxylic acids and their derivatives.
- HTS 2916: Unsaturated acyclic and cyclic monocarboxylic acids and their derivatives.
- HTS 3907: Polyacetals, other polyethers and epoxide resins.
- HTS 3809: Finishing agents, dye carriers to accelerate dyeing or fixing of dyestuffs.
