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HSChapter 29
U.S. imports of paraformaldehyde (paraform) (HS 291260) totaled $916K in April 2026, traded with 6 countries.
Importers of Paraformaldehyde (Paraform) paid $137K in duties in April 2026 — an effective duty rate of 15% on $916K in dutiable value, based on actual customs collections rather than the published tariff schedule. Paraformaldehyde (Paraform) imports of $916K in April 2026 ran 41% above the year-to-date monthly average of $648K.
Last updated: April 2026 dataParaformaldehyde — the solid, low-molecular-weight polymer of formaldehyde, also known as paraform — is a versatile industrial chemical used as a slow-release formaldehyde source in resin manufacturing, disinfectants, and agricultural fumigants. Classified under a single 10-digit line (2912600000), it is distinct from aqueous formaldehyde solutions (formalin), which classify elsewhere in Chapter 29. Spain and the United Kingdom are the leading US suppliers under this heading, with Taiwan and Germany also significant sources. Importers should be aware that paraformaldehyde is subject to OSHA hazard communication requirements and may trigger EPA Toxic Substances Control Act (TSCA) reporting obligations.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Paraformaldehyde (2912600000) is a solid polymeric form of formaldehyde, while formalin is an aqueous solution of monomeric formaldehyde that classifies under a different 10-digit line within Chapter 29. The physical state and polymer structure are the key distinguishing factors; importers should confirm the product form in the certificate of analysis to ensure the correct line is declared.
Paraformaldehyde is subject to TSCA inventory requirements administered by the EPA; importers must certify compliance or submit a TSCA certification statement at entry. It is also classified as a hazardous material under DOT regulations, requiring proper labeling and shipping documentation. OSHA's Hazard Communication Standard applies to downstream handling in the US.
| Country | Imports | Exports | Balance |
|---|---|---|---|
| BRAZIL | -- | $920K | +$920K |
| SPAIN | $527K | -- | -$527K |
| UNITED KINGDOM | $187K | -- | -$187K |
| CANADA | -- | $144K | +$144K |
| TAIWAN | $143K | -- | -$143K |
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 |
|---|---|---|---|---|
| 2912600000 | PARAFORMALDEHYDE | $916K | 14.93% | $137K |
PARAFORMALDEHYDE
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2912600000 | PARAFORMALDEHYDE (PARAFORM) | $1.4M |
PARAFORMALDEHYDE (PARAFORM)
1.7M 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
| Port | Imports | Exports | Balance |
|---|---|---|---|
| HOUSTON, TX | $38K | $1.1M | +$1.1M |
| SAVANNAH, GA | $446K | -- | -$446K |
| CHARLESTON, SC | $187K | -- | -$187K |