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HSChapter 29
U.S. imports of phenazone (antipyrine) and its derivatives (HS 293311) totaled $34K in June 2026, traded with 2 countries.
Phenazone (Antipyrine) and Its Derivatives imports of $34K in June 2026 ran 459% above the year-to-date monthly average of $6K.
Phenazone, historically marketed as antipyrine, is a pyrazolone-derived analgesic and antipyretic that was among the first synthetic drugs commercialized in the late 19th century; its derivatives remain active in pharmaceutical and veterinary formulations today. Classified at the single US tariff line 2933110000, imports are sourced primarily from the United Kingdom and China, with Lithuania, Poland, and France also supplying the market — a distribution that reflects both legacy European pharmaceutical manufacturing and lower-cost Asian production. Because phenazone derivatives are used as active pharmaceutical ingredients, FDA oversight applies to imports intended for drug use, and foreign manufacturers must be registered and comply with current Good Manufacturing Practice (cGMP) requirements. Admissibility and classification are complex; consult a licensed customs broker or the relevant agency before importing.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Foreign manufacturers of API-grade phenazone derivatives must be registered with FDA and are subject to inspection under the Drug Supply Chain Security Act framework. Importers must file an FDA entry and may be required to provide a Drug Master File reference or certificate of analysis demonstrating compliance with USP or equivalent pharmacopeial standards. Shipments from unregistered facilities are subject to refusal of admission.
Phenazone and its derivatives sourced from China may be subject to Section 301 tariffs applicable to Chapter 29 chemical products. Importers should verify the current Section 301 list and any applicable exclusions with a licensed customs broker, as coverage and exclusion status for specific chemical compounds can change.
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| Country | Imports | Exports | Balance |
|---|---|---|---|
| CANADA | -- | $167K | +$167K |
| CHINA | $34K | -- | -$34K |
| GERMANY | -- | $13K | +$13K |
| MEXICO | -- | $11K | +$11K |
| UNITED KINGDOM | -- | -- | -- |
Monthly import values over time
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 2933110000 | PHENAZONE (ANTIPYRINE) AND ITS DERIVATIVES | $34K | 6.50% | 100.00% | $2K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2933110000 | PHENAZONE (ANTIPYRINE) AND ITS DERIVATIVES | $191K |
NUCLEIC ACIDS & SALTS; OTHER HETEROCYCLIC CMP, NES
HS 293499
POLYPEPTIDE PROTEIN& GLYCOPROTEIN HORMONES &DERIV
HS 293719
CMPDS CONT AN UNFUSED PYRIDINE RING ETC NESOI
HS 293339
BENZENE
HS 290220
HETEROCYCLIC COMP W NITROGEN HETERO-ATM ONLY NESOI
HS 293399
HETEROCYCLIC COMP WITH UNFUSED PYRAZOLE RING NESOI
HS 293319
| State | Imports | Exports | Balance |
|---|---|---|---|
| California | -- | $163K | +$163K |
| Illinois | $34K | -- | -$34K |
| Georgia | -- | $13K | +$13K |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| PORT HURON, MI | -- | $163K | +$163K |
| CLEVELAND, OH | $34K | -- | -$34K |
| ATLANTA, GA | -- | $13K | +$13K |