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HSChapter 29
U.S. imports of salts and esters of citric acid (HS 291815) totaled $8.5M in April 2026, traded with 20 countries.
Importers of Salts and Esters of Citric Acid paid $1.5M in duties in April 2026 — an effective duty rate of 18% on $8.4M in dutiable value, based on actual customs collections rather than the published tariff schedule. Salts and Esters of Citric Acid imports of $8.5M in April 2026 ran 15% above the year-to-date monthly average of $7.4M.
Last updated: April 2026 dataSodium citrate (2918151000) is the commercially dominant product in this heading, used extensively as a buffering agent and emulsifier in processed foods, beverages, and pharmaceutical formulations. Israel and India are the leading US import sources, with Germany, China, and Austria also supplying the market. The heading's two 10-digit lines separate sodium citrate from all other citrate salts and esters (2918155000), a distinction relevant when a single shipment contains multiple citrate compounds. Importers of food- and pharmaceutical-grade citrate salts should be prepared for FDA entry review, and those sourcing from China should verify whether antidumping orders covering citrate salts extend to their specific product.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
The scope of US antidumping orders on citric acid from China has at various times included certain citrate salts. Importers should review the current scope language of the relevant Commerce Department order and, if uncertain whether their specific citrate compound is covered, request a scope ruling before importation to avoid unexpected duty liability.
The US schedule provides a dedicated line (2918151000) for sodium citrate specifically, while all other salts and esters of citric acid — including potassium citrate, calcium citrate, and triethyl citrate — fall under 2918155000. Importers shipping mixed citrate products in a single entry should ensure each component is correctly identified and classified on the entry summary.
Monthly import values over time
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HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 2918155000 | OTER SALTS AND ESTERS OF CITRIC ACID | $5.6M | 18.29% | $1.0M |
| 2918151000 | SODIUM CITRATE | $2.9M | 16.21% | $457K |
OTER SALTS AND ESTERS OF CITRIC ACID
SODIUM CITRATE
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2918150000 | SALTS AND ESTERS OF CITRIC ACID | $5.0M |
SALTS AND ESTERS OF CITRIC ACID
1.5M kg
NUCLEIC ACIDS & SALTS; OTHER HETEROCYCLIC CMP, NES
HS 293499
HETEROCYCLIC COMP W NITROGEN HETERO-ATM ONLY NESOI
HS 293399
POLYPEPTIDE PROTEIN& GLYCOPROTEIN HORMONES &DERIV
HS 293719
CMPDS CONT AN UNFUSED PYRIDINE RING ETC NESOI
HS 293339
COMP WITH PYRIMIDINE OR PIPERAZINE RING, NESOI
HS 293359
ANTIBIOTICS, NESOI
HS 294190
| State | Imports | Exports | Balance |
|---|---|---|---|
| South Carolina | $2.5M | $233K | -$2.3M |
| Iowa | -- | $1.4M | +$1.4M |
| Illinois | $904K | $473K | -$431K |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| NEWARK, NJ | $4.4M | -- | -$4.4M |
| LOS ANGELES, CA | $1.7M | $208K | -$1.5M |
| PEMBINA, ND | -- | $1.2M | +$1.2M |