HTS US: 2809.XX.XXXX
Description
This heading covers chemical compounds primarily related to phosphorus oxides and acids, including diphosphorus pentaoxide, phosphoric acid, and polyphosphoric acids. These substances are widely used in various industrial applications such as fertilizers, food additives, and chemical manufacturing.
- Diphosphorus pentaoxide: A white crystalline solid, often used as a dehydrating agent and in production of phosphoric acid.
- Phosphoric acid: A mineral acid commonly employed in fertilizers, detergents, and food flavoring.
- Polyphosphoric acids: Condensed forms of phosphoric acid with varying chain lengths, used in specialized chemical syntheses.
Code Hierarchy
- Section VI:
- Products of the Chemical or Allied Industries (Chapters 28-38)
- Chapter 28: Inorganic Chemicals; Organic or Inorganic Compounds of Precious Metals, of Rare-Earth Metals, of Radioactive Elements or of Isotopes
- Heading 2809: Diphosphorus pentaoxide; phosphoric acid; polyphosphoric acids, whether or not chemically defined.
- US HTS Code (10-digit):
2809.XX.XXXX– The last digits specify the exact chemical compound and its concentration or form.
Detailed Breakdown of Subheadings
The 4-digit HS heading 2809 is further subdivided into specific codes that identify the exact chemical form and concentration:
| HS/HTS Code | Description | Examples & Notes |
|---|---|---|
| 2809.10.00.00 | Diphosphorus pentaoxide | Used primarily as a dehydrating agent and in manufacture of phosphoric acid. |
| 2809.20.00 | Phosphoric acid and polyphosphoric acids | Includes various forms and concentrations of these acids. |
| 2809.20.00.10 | Containing less than 65 percent available diphosphorus pentaoxide (P2O5) equivalents | Lower concentration phosphoric acid solutions commonly used in fertilizers and food industry. |
| 2809.20.00.20 | Other | Other phosphoric acid forms not classified elsewhere under 2809.20. |
| 2809.20.00.30 | Other | Additional specific formulations or mixtures of phosphoric acids. |
| 2809.20.00.40 | Polyphosphoric acids | Condensed phosphoric acids with multiple phosphate units. |
What is NOT Classified Here?
To avoid misclassification, note these exclusions:
- Other phosphorus compounds not chemically defined as diphosphorus pentaoxide or phosphoric/polyphosphoric acids are classified under different headings.
- Organic phosphorus compounds are classified separately under organic chemical chapters.
- Phosphates and other salts of phosphoric acid fall under different HTS codes beyond 2809.
Notes
- Industrial Applications:
- Diphosphorus pentaoxide is a key intermediate in producing phosphoric acid and other phosphate-based chemicals.
- Concentration Matters: For phosphoric acid, the percentage of P2O5 equivalents determines classification and tariff treatment.
- Tariff Treatment: Duty rates vary depending on the exact chemical form and concentration as specified by the 10-digit HTS codes.
Declaration Example
Product: Shipment of phosphoric acid containing less than 65% available diphosphorus pentaoxide equivalents.US HTS Code:
2809.20.00.10Unit of Quantity: Kilogram (kg)
General Duty Rate: Check current USHTS (subject to applicable chemical import regulations)
Additional Requirements: Compliance with chemical safety and import control regulations.
Related HTS Codes
- HTS 2811:
- Other inorganic acids and inorganic oxygen compounds of nonmetals.
- HTS 2835: Phosphides, whether or not chemically defined.
- HTS 2827: Chlorides, bromides and iodides, whether or not chemically defined.
