2833.11.50
Other
Sulfates; alums; peroxosulfates (persulfates): Sodium sulfates: Disodium sulfate
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)
0.4%
Column 2 (Non-NTR)
3.6%
Column 1 (Special / FTA)
Free
Eligible
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.
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 0.4%.
Related CBP rulings
The tariff classification of Nickel Sulfate from Finland
In your request, the subject product is identified as Nickel Sulfate, CAS number 10101-97-0. The subject Nickle Sulfate is described as a light green, odorless, powder.
The tariff classification of potassium nitrate, magnesium sulfate heptahydrate, ammonium dihydrogenorthophosphate, potassium dihydrogenorthophosphate, and potassium sulfate from Japan
In your submission, you describe the five subject products as follows: Item Description 1 Product name: OAT HOUSE No.3 Substance/mixture: Substance Chemical name: Potassium nitrate CAS No.: 7757-79-1 Concentration: 99.0% Item Description 2
The tariff classification of Barium Sulfate (CAS # 7727-43-7) from Japan
Your submission refers to the product at issue by the trade name, “PS-07” and indicates that it is intended to be used in the production of automotive paint. The provided Material Safety Data Sheet states that this chemical compound is more
The tariff classification of sodium bisulfate (CAS# 7681-38) from China
You have indicated that the product at issue is intended to be used as a PH modifying agent for the production of a variety of products.
The tariff classification and status under the North American Free Trade Agreement (NAFTA), of instant hot packs from Canada; Article 509
The tariff classification and status under the North American Free Trade Agreement (NAFTA), of instant hot packs from Canada; Article 509
The tariff classification of Calcium Nitrate Tetrahydrate (CAS # 13477-34-4), Copper (II) Sulfate Pentahydrate (CAS # 7758-99-8), Magnesium Sulfate Heptahydrate (CAS # 10034-99-8), Manganese (II) Sulfate Pentahydrate (CAS # 15244-3-7), and Zinc Sulfate Heptahydrate (CAS # 7446-20-0) from an unspecified country
You describe the items as Calcium Nitrate Tetrahydrate (CAS # 13477-34-4), Copper (II) Sulfate Pentahydrate (CAS # 7758-99-8), Magnesium Sulfate Heptahydrate (CAS # 10034-99-8), Manganese (II) Sulfate Pentahydrate (CAS # 15244-3-7), and Zin
The tariff classification of Tribasic lead sulfate, CAS No. 12202-17-4, Dibasic lead phosphite, CAS No. 1334-40-7, and Dibasic lead phthalate, CAS No. 57142-78-6, from Korea
Tribasic lead sulfate and Dibasic lead phosphate are inorganic compounds indicated for use as heat stabilizers in the preparation of PVC compounds. Dibasic lead phthalate is an aromatic polycarboxylic acid also used as a heat stabilizer in
The tariff classification of self cooling eye mask, cushion and pillow filled with NASO4 (anhydrous sodium sulfate) and water from China
You state in your letter that you plan to import self cooling eye masks, cushions and pillows. Your literature states that each product contains NASO4 (anhydrous sodium sulfate) and a concentration of water. You describe the eye mask as NAS
The tariff classification of Sodium Persulfate (CAS 7775-27-1) and Potassium Permanganate (CAS 7722-64-7) from China
The applicable subheading for Sodium Persulfate will be 2833.40.2000, Harmonized Tariff Schedule of the United States (HTSUSA), which provides for Sulfates; alums; peroxosulfates (persulfates): Peroxosulfates (persulfates): Of sodium. The r
The tariff classification of Potassium Hydrogen Peroxymonosulfate and Potassium Monopersulfate (CAS# 70693-62-8) from China
The tariff classification of Potassium Hydrogen Peroxymonosulfate and Potassium Monopersulfate (CAS# 70693-62-8) from China
The tariff classification of Ferrous Sulphate Heptahydrate from Germany
The tariff classification of Ferrous Sulphate Heptahydrate from Germany
COUNTRY OF ORIGIN MARKING OF APPLE SLICES MADE FROM IMPORTED APPLES.
COUNTRY OF ORIGIN MARKING OF APPLE SLICES MADE FROM IMPORTED APPLES.
Other codes in heading 2833
Duty by origin country
The rate above is the statutory base. Total landed duty depends on origin — see the calculated rate for 2833.11.50 from each major US trading partner.
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