HSChapter 28
U.S. imports of sodium sulfites (HS 283210) totaled $2.5M in April 2026, traded with 12 countries.
Importers of Sodium Sulfites paid $307K in duties in April 2026 — an effective duty rate of 15% on $2.1M in dutiable value, based on actual customs collections rather than the published tariff schedule. Sodium Sulfites imports of $2.5M in April 2026 ran 14% above the year-to-date monthly average of $2.2M.
Last updated: April 2026 dataSodium sulfite is a widely used preservative and reducing agent in food processing, photographic chemicals, and water treatment — a dual-use profile that can trigger different regulatory touchpoints depending on the declared end use. Classified entirely under a single 10-digit line (2832100000), the heading offers no further US schedule subdivision, so grade and purity distinctions must be documented commercially rather than through separate tariff lines. Italy leads US supply, followed by Canada and India.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
No — all sodium sulfites, regardless of purity grade, are classified under 2832100000. However, food-grade sodium sulfite intended for use as a food additive may require FDA compliance documentation, while technical-grade material used in water treatment or photography does not carry the same regulatory burden.
Italy has a well-established inorganic chemicals manufacturing sector and a long history of exporting sulfite compounds to the US market. Its position reflects both production capacity and established commercial relationships with US food and industrial chemical distributors.
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Monthly import values over time
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 2832100000 | SODIUM SULFITES | $2.5M | 14.64% | $307K |
SODIUM SULFITES
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2832100000 | SODIUM SULFITES | $694K |
SODIUM SULFITES
1.1M kg
URANIUM ENRICHED IN U235 ETC. PLUTONIUM ETC.
HS 284420
NATURAL URANIUM & COMPOUNDS, ALLOYS & CERAMICS ETC
HS 284410
ANHYDROUS AMMONIA
HS 281410
ALLOYS, DISPERSIONS,ISOTOPES & COMPOUNDS NES
HS 284443
SILICON, UNDER 99.99% (BY WEIGHT) SILICON
HS 280469
PHOSPHORIC ACID AND POLYPHOSPHORIC ACIDS
HS 280920
| State | Imports | Exports | Balance |
|---|---|---|---|
| Maryland | $909K | -- | -$909K |
| New Jersey | $659K | -- | -$659K |
| Texas | $18K | $238K | +$220K |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| BALTIMORE, MD | $1.1M | -- | -$1.1M |
| TACOMA, WA | $469K | -- | -$469K |
| NEWARK, NJ | $191K | $10K | -$180K |