2809.20.00
Phosphoric acid and polyphosphoric acids
Diphosphorus pentaoxide; phosphoric acid;polyphosphoric acids, whether or not chemically defined
Data provenance: Rates from HTS Revision 16 (Aug 15, 2026); trade measures verified against CBP CSMS and Federal Register notices through Aug 15, 2026.
Duty rates
Column 1 (General / MFN)
Free
Column 2 (Non-NTR)
Free
The rates above are statutory column rates. Trade remedies in Chapter 99 (Section 301, 232, IEEPA, reciprocal) and FTA preferences can change the duty owed on a given entry — see below.
Trade measures (Chapter 99)
No active Chapter 99 measures are linked to this code.
Antidumping & countervailing (AD/CVD)
2 active AD/CVD orders may apply to this code. Applicability is set by the written scope of each order, not the HTS number alone.
A-423-602
AD · BE
Industrial Phosphoric Acid
Applicability is determined by the written scope of the order, not the HTS code alone. An order linked to this code may or may not cover a specific product.
Order details →C-508-605
CVD · BE
Industrial Phosphoric Acid
Applicability is determined by the written scope of the order, not the HTS code alone. An order linked to this code may or may not cover a specific product.
Order details →Rate-change history
What the rate was before, and when it changed. The government schedule replaces each revision in place; we keep the timeline.
-
NEW_PROGRAM Executive Order Feb 1, 2026 — Reciprocal Tariff (FR 2026-03824)
Section 122 reciprocal surcharge in effect — additional 10% on most imports through July 24, 2026
See the change → -
Base rate HTS 2023
Column 1 general rate set to Free.
Related CBP rulings
Application for Further Review of Protest Number 2809-18-100059; Deemed Liquidation
On October 16, 2013, MHW filed drawback entry number XXX-XXXX196-2, and on November 6, 2013, it filed drawback entry number XXX-XXXX211-9. The drawback claims were made pursuant to 19 U.S.C. § 1313(j)(1). MHW claimed that the underlying imp
Application for Further Review of Protest Number 2809-16-100293; Unused Merchandise Drawback; Substitution Drawback; 19 U.S.C. § 1313(j)(2); Distilled Spirits; Excise Tax; 19 C.F.R. § 191.38; 19 C.F.R. § 191.2(t); 19 C.F.R. § 191.72
Whether Brown-Forman’s entries of tax-deferred GNS admitted into a TTB-bonded DSPs are eligible for drawback under 19 U.S.C. § 1313(j)(2) upon the exportation of substituted commercially interchangeable tax-deferred alcohol for which no tax
Application for Further Review of Protest No. 2809-22-109253; U.S.-Israeli Free Trade Agreement; Tahini; Double Substantial Transformation; Defective Goods; Segev Food International, Inc.
This case concerns tahini produced in Israel from raw sesame seeds grown in Uganda. According to the protestant, the tahini at
Application for Further Review of Protest 2809-22-109824; Country of Origin of Saturated Wax; Section 301 Measures
The merchandise subject to the protest at issue is Saturated Wax MR3200 (“Saturated Wax”). The merchandise was entered on August 18, 2021, and liquidated on June 17, 2022. The protestant claims the entry of the merchandise was inadvertently
Application for Further Review of Protest No. 4909-21-100585; Section 201 Duties; Section 301 Duties; Antidumping Duties; Countervailing Duties; Solar Modules
are subject to the Section 201 safeguard measure or the Section 301 duties. Whether the solar panels at issue are subject to ADD and CVD.
Protest No. 2809-22-109110; Legal Sufficiency of Notices to Redeliver
On January 26, 2022, Ansell imported two shipments of disposable rubber gloves produced in Malaysia by YTY Industries Holdings Sdn Bhd (“YTY”). The merchandise became subject to a Withhold Release Order (“WRO”) for forced labor concerns pub
Application for Further Review of Protest 2809-20-107150; U.S. – Israeli Free Trade Agreement; Tahini; Double Substantial Transformation
The tahini is produced in Israel from raw sesame seeds, in their shells, which are purchased from an Israeli supplier; however, the sesame seeds are grown in Uganda. In Israel, the sesame seeds are cleaned and hulled (i.e., chaffed and de-s
Application for Further Review of Protest No 2809-2015-100233 concerning a claim for drawback under 19 U.S.C. § 1309(b).
have not been the subject of a CBP ruling. See 19 C.F.R § 174.24(b) and 19 C.F.R § 174.26(b)(1)(iv). Accordingly, further review is warranted. In general, proof of exportation requires evidence of the intent for the merchandise to unite wit
Application for Further Review of Protest No 2809-14-100124 concerning a claim for unused merchandise drawback
On January 31, 2012, CT Creative Technology GmbH & Co. (“CT Creative Technology”) entered “Light-Emitting Diode (LED) Display Panel for Tradeshow” at the port of Chicago, Illinois from Germany. The video display systems were originally clas
Application for Further Review of Protest No 2809-14-100672 concerning a claim for drawback on the damaged portion of a screen printing machine
On May 19, 2009, CCL entered a screen printing machine from Germany. CBP Form 7501, for entry number XXX-XXXX652-3, lists the screen printing machine as a single line item. It was classified under subheading 8479.89.9899, of the Harmonized
Request for Internal Advice on Alltrade Tools LLC’s Protest Number 2809-2014-100532
On May 2, 2003, Alltrade filed entries xxx-xxxx922 and xxx-xxxx923 for pry bar sets from the People’s Republic of China (“PRC”) with U.S. Customs and Border Protection (“CBP”). The pry bar sets were purchased by Alltrade from Tianjin Machin
Application for Further Review of Protest 2809-14-100074; Classification of Chemical Compounds; Heading 9817.85.01, HTSUS - Prototypes
Genentech imports various unique organic compounds from Switzerland and other countries stored in vials and pharmaceutical libraries consisting of microliter (1/1,000,000th of a liter) well plates. The compounds are generally imported in sm
Other codes in heading 2809
Duty by origin country
The rate above is the statutory base. Total landed duty depends on origin — see the calculated rate for 2809.20.00 from each major US trading partner.
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